Monday, September 30, 2013

Fleet Week 2012: Parade Of Ships. BAE Guayas (Ecuador)

But even more so, we discover that the celebs have an excellent deeper impact on our psyche. Have you ever ever been out in the desert (or just away from the bright lights of a metropolis) on a moonless and starry evening, looked up and began to contemplate life? Really, I find nothing brings out the non secular side of human beings than the distant calling of the stars! In 1986, Halley’s Comet captivated a teen dwelling in a small South African town. Curious about what his nation does in astronomy, he scoured books at the native library and requested questions of his academics.


The pyramid also has an interesting story found by the old Egyptians. There are at the moment two shafts built on to the perimeters which were constructed at the location dealing with the passing of two stars. One was Thuban, that was close to to the Pole Star and Alnilon, a star situated in Orion’s belt. The traditional Egyptians found the Orion with ‘Osiris’, who was known to be the god of rebirth. Astronomer and science writer Owen Gingerich wrote that there are two main impetuses for Islam’s adopting the duty of studying the heavens. First, the cradle of Islam was, effectively, really close to the Classical World.



Egyptian astronomy begins in prehistoric instances. The presence of stone circles at Nabta Playa courting from the 5th millennium BCE present the importance of astronomy to the religious life of ancient Egypt even in the prehistoric interval. The annual flooding of the Nile meant that the heliacal risings, or 1st seen appearances of stars at dawn, was of particular interest in figuring out when this might occur, and it is no shock that the 365 day interval of the Egyptian calendar was already in use at first of Egyptian historical past. The constellation system used among the many Egyptians also seems to have been essentially of native origin. The precise


You will learn how the arrival of the zodiac in Paris angered the Vatican who tried to downplay the importance of this invaluable Egyptian vestige so as it does not query the official courting of the creation of the world written within the Bible. Indeed some scholars, in accordance the arrangement of the constellations in thisof Nitentore, Ta-ynt netert : the identify in historical Egyptian of Denderah web site meaning: “She has a divine foundation”, began to spread rumors insufferable for ecclesiastical circles, that the zodiac relationship goes again much earlier, scientists like Mr Biot superior dates as even 12,000 years ago.


For significantly of Egyptian historical past, the months had been not referred to by individual names, however had been extremely numbered within the three seasons. As early as the Center Kingdom, nevertheless, nearly every month had its personal name. These lastly evolved into the New Kingdom months, which in flip gave rise to the Hellenized names that had been used for chronology by Ptolemy in his Almagest, and by different folks. King, David A.; Cleempoel, Koenraad Van; Moreno, Roberto (2002), “A Just lately Discovered Sixteenth-Century Spanish Astrolabe”, Annals of Science 59 (four): 331–362, doi : 10.1080/00033790110095813 Additional studying edit


Pvastro0901 Lauren Campbell: Astronomy Cast Episode 62

Pamela: But once you get them moving, it is onerous to stopOne of the normal methods of attempting to explain this is imagine you could have a room full of individuals. They’re all simply hanging out. If a film star comes into the room, and is amiable to signing autographs and issues, and has a big entourage, that film star is claimed to have a lot more weight. As the movie star tries to move by the room with her huge entourage connected to her, it is laborious to stop that moving swarm of people.


As we speak I need to talk a bit about an initiative that I have been following for fairly a very long time now and I think deserves some attention. I am speaking about Astronomy Solid Astronomy Forged, in their very own words, takes a reality-based mostly journey by means of the cosmos because it affords listeners weekly discussions on astronomical matters ranging from planets to cosmology.



Pamela: Right. All of those nasty hydrocarbons are causing all kinds of nasty chemical compounds to literally rain from the sky, and people have an effect on the floor. You even have cratering, and we don’t actually know if there’s ongoing volcanism on Venus. This is a type of fixed questions that we simply don’t have a solution for, however hopefully as we get better at constructing spacecraft that may face up to the high heat and the not-notably-friendly chemical attributes of Venus, we’ll be capable of start putting a community of detectors down to type out: is the floor still energetic in the present day?


Briefly it’s important to get your face and scope on the market to get observed. Organising in a park or city sq. throughout a quarter moon evening usually attracts of us, cops too so allow them to know. Some appear to think a Dob is a mortar launcher – not kidding, it has occurred to a couple of our members. Know what interests your neighborhood and see if you can play an astronomy angle.


Fraser : I believe,I first wished to get into podcasting, I looked round and I observed that there was this pod-fading thing that begins to occur with people. They give you this actually grandiose thought and it’s very manufacturing heavy and it’s received lots and lots of work that they need to do. I manually centered, brought the lens to maximum zoom, and held the filter. 200+ images later, and in between spotty cloud cover, here are a number of the greatest shots: The each day sitcom will have one hundred twenty episodes and can start filming in August after finalizing the solid. It goals for a September broadcast.


Sunday, September 29, 2013

Scientists Debunk 2012 Doomsday Myths

Our understanding of the scale and temperature of planets relies upon crucially on the size and temperature of the celebs they orbit. Astronomers have already got a strong technique to discern the bodily properties of solar-kind stars—these like the solar—by measuring the sunshine they emit at completely different wavelengths and matching that to synthetically created spectra. In lieu of flowers, donations will be despatched to the Donald Backer Memorial Fund, to continue his legacy and to help the new frontiers of astronomy research and training. Checks may be made out to the UC Berkeley Foundation and mailed to Barbara Hoversten, Astronomy Department, MC3411, College of California, Berkeley, CA 94720-7450.


In 1963 Drake worked a short time as Chief of Lunar and Planetary Sciences on the Jet Propulsion Laboratory. In 1964 he joined Cornell University as an Affiliate Director of the Center for Radio-physics and Space Analysis. In 1965 he accepted the directorship of the Cornell run Arecibo Observatory in Puerto Rico. In 1969 Drake became the Chairman of the Astronomy Department. From 1970 to 1981 he was Director of the Nationwide Astronomy and Ionosphere Middle, which is part of the Arecibo Observatory. From 1976 to 1984 he was Goldwin Smith Professor of Astronomy at Cornell.



Backer was a pioneer in Very Lengthy Baseline Interferometry (VLBI), a way of linking together distant radio telescopes to supply high-decision images, allowing the investigation of astronomical constructions with microarcsecond angular resolution. He linked the RAL’s eighty five-foot-centimeter wave telescope to numerous related antennas distributed across the country and the world. He pursued ever-rising resolution with the purpose of imaging the environment of the black gap at the center of the Milky Means Galaxy.


Héctor Arce, an astronomer at Yale University in New Haven, Connecticut, who was born and raised in Puerto Rico, says it was extensively felt that Cornell didn’t do sufficient to associate with other establishments on the island. “Which may have damage Cornell,” he says. Along with together with the Metropolitan College on the bid, the consortium will sponsor college positions on the College of Puerto Rico and can create a commission that may study other ways wherein local institutions can get extra involved with Arecibo. Unfolding Cornell’s work with depth and breadth, “Joseph Cornell and Astronomy” offers a convincing and authentic appreciation of this intriguing American artist. (much less)


I bought curious and went to see what stars the Apollo astronauts have been indeed capable of see as I suspected one could see stars all the higher with no environment. Properly I need to say I found myself so very surprised to listen to Neil Armstrong tell Patrick Moore in a 1970 BBC interview that the only objects one can see from the moon’s floor in the lunar sky are the the planet earth and the solar.now I’m very confused. If you have another questions or need extra clarification, please feel free to post a remark, using the form beneath!


Chinese Astronomy And Astrophysics

So as you may see, the traditional Chinese made lots of vital discoveries in Astronomy. They probably weren’t the first people to look to the heavens in marvel, but they were curious sufficient to see that the Solar and planets followed patterns which could possibly be recorded. We owe them a giant thank you for his or her early achievements in Astronomy. Joseph Needham, Colin A. Ronan, and Joseph Needham. 1986. The shorter Science and civilisation in China: an abridgement of Joseph Needham’s authentic textual content. Vol. 3. (Cambridge, UK: Cambridge University Press. ISBN 9780521315609 ), 189


GRACE: These mansions held not only astronomical, but in addition cultural significance. In the early eighties, a tomb was found within the Henan Province in central China. There were some clamshells and bones within the tomb, which formed the pictures of the Azure Dragon, the White Tiger and the Massive Dipper. It’s believed that the tomb belongs to the Neolithicabout 6,000 years in the past. Geoffrey Ernest Richard Lloyd, a distinguished historian from the College of Cambridge, England, explores the origins of systematic inquiry in Greece, China and Mesopotamia with his e-book The Ambitions of Curiosity: Understanding the World in Historical Greece and China :



Astronomy in China has a really lengthy historical past, with historians contemplating that “they the Chinese were probably the most persistent and accurate observers of celestial phenomena anyplace on this planet earlier than the Arabs.” 1 Star names later categorized within the twenty-eight mansions have been discovered on oracle bones unearthed at Anyang , relationship back to the middle Shang Dynasty ( Chinese language Bronze Age ), and the mansion (xiù:宿) system’s nucleus appears to have taken shape by the point of the ruler Wu Ding (1339-1281 BC). 2 Notes on Chinesethe best way Chinese language namesare written and the standard sexagenary cycle are given on the within again cowl.


Chinese language Astrology Horoscope 2012 for the Monkey: Monkeys are anticipated to be properly-suited to the ambiance a Dragon yr brings. 2012 is anticipated to be a very sturdy year. Social relationships can thrive, and actually, Monkeys can profit in most areas of life through their connections, including career and monetary opportunities. Some Monkeys will marry this 12 months. Love relationships are anticipated to be strong total. Monkeys can advance in life with plenty of ideas and thru making connections with useful folks in 2012. It is important for Monkeys to be confident and sure of themselves, however not to push this beyond the limits.


As with western astrology where it is believed that the sun’s position at the time of a person’s delivery determines sure personality traits that a person will posses, it is thought that every animal represented within the Chinese language lunar calendar bestows sure characteristics on individuals who are born in the course of the 12 months that exact animal “rules.” Luckily, two variations of Su Song’s treatise written on his clock tower have survived the ages, in order that finding out his astronomical clock tower is made potential by medieval texts. True north and planetary motion edit


Nonetheless A Mystery Of Greek Astronomy

If we stand at any point of our planet on the twenty first of March (spring equinox in the northern hemisphere), shortly before daybreak, and look due east, we will see a constellation sitting on the horizon in the place where the solar will shortly rise. That constellation at this time is Pisces, and it has been so roughly for the final two thousand years. Inside the subsequent couple of hundred years, this constellation will be Aquarius.


The ultimate fate of the star relies on its mass, with stars of mass higher than about eight occasions the Solar changing into core collapse supernovae ; 63 while smaller stars form planetary nebulae , and evolve into white dwarfs sixty four The remnant of a supernova is a dense neutron star , or, if the stellar mass was no less than three times that of the Sun, a black gap sixty five Close binary stars can follow extra advanced evolutionary paths, comparable to mass transfer onto a white dwarf companion that can potentially cause a supernova.



Though other cultures and civilizations dabbled in astronomy, it was the traditional Greeks which might be typically linked to the topic – a lot so that the word ‘astronomy’ comes from the Greek phrases of ‘legislation and order.’ They had been by no means the first culture to explore the ins and outs of astronomy. However, they solidified a respected place amongst other cultures, such because the Romans, who unfold the Greeks’ findings all through their lands. For lots of of years, the Greeks enjoyed a reputation as being an authority on matters of astronomy.


Equinoxes, solstices and eclipses have been a big a part of aboriginal astronomy. These concepts have been frightening to the early peoples who didn’t truly understand why they have been occurring. They did not understand that it was as simple as the sun, earth, and moon revolving and sometimes slipping into each other’s mild path. Nevertheless, many cultures additionally chose to have these items begin their calendar years. For example, Persian’s New Year is widely known. One of the vital attention-grabbing historical myths is the parable that existed in Persepolis at the time.


However, this manner of doing science had critical limitations when it was utilized to other areas of information, but from the standpoint of the Greeks it was onerous to notice. In antiquity, the start line to discover ideas was all the time an thought in the mind of the thinker: sometimes observations have been undervalued and another instances the Greeks weren’t able to make a pointy distinction between empirical observations and logical arguments.


Saturday, September 28, 2013

Taking Introductory Astronomy Past Jeopardy And Trivial Pursuit

Orion Arm Astronomers call the Orion Arm a minor arm, because it’s mainly a spur sticking out of the Sagittarius Arm. That stated, it still manages to be some three,500 light years across and round 10,000 light years lengthy! Which constellation would you be looking at when you have been trying in the direction of the centre of our galaxy? A Quizzer’s Information to the Galaxy EMBED## Click on Here for Sources and to Learn More Attention-grabbing Earth and Solar Information The energy required to cease the Earth orbiting the sun is about 2.6478 × 10^33 joules or 7.3551 × 10^29 Learn More »


I recall wet summer time afternoons when I used to be a toddler; when I couldn’t go outside to play, my mom would bring out a deck of playing cards and deal out a hand. Now, she is an grownup, I’m a baby; there is no such thing as a question that she could win the sport at any time she needed to. But the level of this game was not to win. But she might present it, by spending time with me, by sharing the enjoyment of the game.



Are you conscious that astronomy is one among humanity’s most properly-recognized sciences? Actually, astronomy is among the first sciences that mankind has ever adopted. So the research of our universe shouldn’t be new to us, but it’s best to preserve in thought that astronomy is a know-how. A technology for the group. You’ll want to know what’s the main modifications between Astrophysics and Astronomy.


How many astronomy details are you able to reckon of? Consider that there are someplace round 1 x 10 ^22 stars in the universe, that’s a one followed by 22 zeros. Then think about that many of these stars have planets surrounding them. Now reckon about all of the moons that orbit the planets, and the comets, and the asteroids, and the whole lot else within the universe. The variety of information and quantity of knowledge is staggering. This article, which presents astronomy details, definitely won’t comprise every reality. However these are fascinating facts.


The Sun is barely of average size for a star, yet it’s size is another terrific source of astronomy fun details. As common as it is, it accounts for about ninety eight% of all the matter in our solar system. Even with the huge planet of Jupiter on our facet, we’re nonetheless a measly 2% of non Sun material. April 6, 2010 Classes: Astronomy Information Tags: Astronomy , reality , galileo , lippershey , area , telescope 3 Comments » But what I have additionally come to see is that belief performs a fundamental position in being able to do that astronomy.


The Slow Demise Of “Setec Astronomy”

MIT legend Alyssa P. Hacker just isn’t glad about this state of affairs. She desires to save lots of the Thriller Hunt, by authorized means or no. Thus, she hacks into Enigma Valley’s servers to try and find data on the financial institution’s security programs. She additionally enlists IHTFP, a heist consultancy agency, to help us set up and pull off a heist to steal the coin, deliver down Enigma Valley, and save the Hunt. They get better the ‘field’ and then the twists begin coming at you, as they lose the ‘field’, the NSA isn’t actually the NSA, and so they discover themselves wanted for international espionage and murder.


I can not bear in mind having a lot enjoyable on a film,” Tobolowsky recalled in a 2012 anniversary piece for Slate He had initially scoffed on the script based on its title alone, but his agent persuaded him to truly learn it, and he reconsidered. Afterward, he instructed his agent, “Now I know what a hundred million dollars on the field workplace reads like.” 2 Fortunately, we had loads of duplicates — we had made 100 copies of the metapuzzle, however ended up utilizing only 4 of them, including the burnt one.



I’d heard of the Mystery Hunt years in the past, as I had several East Coast buddies and acquaintances who participated. Final yr was my first time attending the Hunt, though, with a group referred to as the Manic Sages. Since we won last 12 months, we had the dubious privilege of organizing and writing this 12 months’s Hunt. I volunteered in a couple of different capacities–writing and testsolving a couple of puzzles, hammering out the hunt theme, serving as the Artwork Director, and working carefully with the tech crew on this year’s Hunt web site.


He changed his profile to claim he is the “Founder and President at Hack The Hackers”, and left a nutty be aware on the group’s page that reads like Pidgin English. ” Hell all members of HTH, Do me a favour plz, as u r the member of ‘HACK THE HACKERS’ plz report a video ‘communicate abt hack the hackers and whtevr u wish to speak abt know-how and hacking’ of your minimum 2mins and electronic mail me. We use the video for the promotion. ” On June 21, 2010, San Francisco expertise columnist Mark Albertson wrote an article for Examiner.com referred to as Secret group aids fight against terror


I additionally need to express the dignity the GCIS crew shares in serving under a director who has the integrity, sense of mission and objective to steer. Alysyn Bourque isn’t just the head of our agency. She is the top of our family. To serve below her is an honor and we thank her for her sacrifice and service. She has the ability to place aside personal points to concentrate on the issues all of us care about.


Submerged Volcanoes Cast Doubt On Antarctic Glaciation Idea

Starting in September 2006, its first episode handled the confusion concerning the IAU’s new definition of what a planet is, leading to Pluto’s demotion. This writer’s first revealed science article dealt with the same difficulty. It is silly, but I really feel a connection there. Since its induction, the present has been produced, with out fail, every Monday. On the time of this writing there have been 68 episodes. The topics differ from planets in our photo voltaic system to string concept, (my favourite and yours). There are performance benefits that reach beyond Grooveshark after installing Google Chrome Body and you’ll expertise no issues with different sites you love.


Along with co-internet hosting Astronomy Forged, Fraser Cain is the publisher of Universe Today, one of the vital well-liked house and astronomy websites on the Internet. Fraser has been working within the software program/Internet industry for the last 12 years, and was a accomplice in two software program firms that are now traded publicly. He studied engineering on the College of British Columbia, and isfinishing his laptop science diploma. Fraser has written 3 books of his own and printed a preferred astronomy guide called What’s Up 2006. He lives on Vancouver Island, off the West Coast of Canada.



Pamela: It’s about 2 years not on time. It’s had completely different financial crunches, completely different changes yeah. Large science generally will get delayed. They’re currently in the technique of doing take a look at runs. They’re looking at doing their first science beginning in Could. Issues are going, starting to go effectively and they’re just ticking down their checklists and they have particle beams going and their equipment is working. The GMT is ready to begin science operations in 2020 at Carnegie’s Las Campanas Observatory, exploiting the clear dark skies of the Atacama Desert in northern Chile.


Pamela: And what’s nice about that is so long as you’re on one of the good Atlantic trading routes, which is the place all the celestial navigation originally played such a powerful function, Polaris simply hangs out there being a pleasant let-me-inform-you-how-far-north-or-south-you-are sort of object. Now, the issue is as you start to get down toward theregions, properly the Southern Hemisphere doesn’t precisely offer such a pleasant, well mannered star that is within a level of the particular axis of rotation.


Astronomy Forged has just lately uploaded several new podcasts, and whereas we normally put up them separately here on Universe As we speak, since there are a number of them arriving directly, here’s an inventory of the new ones: In this poster we describe how we now have made astronomy reside running a blog areality from both the technical and private standpoint. This venture isfunded via NSF grant # 0744944. Years ago, The Universe In the present day and The Unhealthy Astronomer teamed up and created the Bautforum. Phil Plait and Fraser Cain* have as soon as once more teamed up to create an interactive website that puts science proper at your fingertips.


Friday, September 27, 2013

The Fashionable Newbie Astronomer (Sensible Astronomy) E book

Before now, snow traces had by no means been imaged instantly as a result of they at all times kind within the comparatively narrow central airplane of a protoplanetary disc, so their exact location and extent couldn’t be determined. Above and beneath the slender region the place snow traces exist, the star’s radiation prevents ice formation. The dust and gasoline focus in the central plane is critical to insulate the area from the radiation in order that carbon monoxide and different gases can cool and freeze. ァ Building an everyday hectagon by taking half the aspect of the equilateral triangle inscribed in the same circle for its aspect


Dr. Joel Stebbins arrived from Lick Observatory in 1903 and took over because the Observatory Director. Arguably his most important work over the subsequent two decades was the development of the photoelectric photometer. Earlier than Stebbins’ breakthrough photometer, brightness measurements for stars were made by comparing the relative brightnesses of stars, either visually or by way of photographic plate photographs. By utilizing electricity to empirically measure the brightnesses of stars, Dr. Stebbins revolutionized how astronomers collect information. An important contribution to philosophy by Al-Farabi was that he made the study of logic less difficult by dividing it into two classes:Takhayyul (concept) and Thubut (proof).



More than a mere masterpiece of historical perception, the undertaking is a vital reminder, as the way forward for house exploration hangs in precarious steadiness , that understanding our place within the cosmos is a vital part of what it means to be human, a gift bequeathed upon us through centuries of civilization, squandering which might be not solely lamentable but a real failure of our inherited privilege. The group is at all times a really combined group,” Dowd says, including that some 50 people attended this yr. “Historians of astronomy come from different backgrounds. You’ve received a lot of different varieties of individuals.”


Early astronomers seen patterns within the sky and attempted to prepare them in an effort to track and predict their motion. Referred to as constellations , these patterns helped folks of the past to measure the seasons. The motion of the celebs and different heavenly bodies was tracked all over the world, however was prevalent in China, Egypt, Greece, Mesopotamia, Central America, and India. Also not like other Muslim philosophers, Ghazali didn’t imagine that the universe was finite in house but infinite in time and he contended that an infinite time was associated to an infinite space.


This very short introduction goals to recapture some of these historical developments. It offers with all the foremost highlights within the (recorded) historical past of astronomy as much as the middle of the nineteenth century. It’s a fascinating have a look at the way that our understanding of the humanity’s place within the universe has developed. Furthermore, many (most?) religions do depend on astronomical phenomena for their spiritual observances, and have throughout history been main supporters of astronomical research.


Names Of Historic Greek Astronomers

The essential deferent-epicycle model can account for the ahead and retrograde motionof the planets. But to match the observed planetary motions in quantitative element, ancient Greek astronomers had to introduce additional complications: off-setting the earth fromthe heart of the deferent; various the rate at which the deferent turns throughout itsrotation; and so forth. This effort culminated within the workof Ptolemy , an astronomer who lived in Alexandria through the second century A.D. Hisastronomical treatise, known as we speak by its Arabic title Almagest , turned the authoritativereference on the subject throughout the Arab world and Europe for the subsequent 1400 years.


The Greek contribution to astronomy was not a lot in commentary as it was in applying logical considering and geometry to these observations. That is how Greek scientists found out that the earth went around the solar , calculated the size of the earth, and understood that the moon went around the earth. Some well-known Greek astronomers were Thales , who figured out that the earth was spherical, Anaxagoras , who found out what induced eclipses, and Aristarchus , who found out that the earth went around the sun. a b “Penn State Erie-School of Science-Astronomy and Astrophysics” Archived from the original on 21 September 2012 Retrieved 20 June 2007



The highest vote went to “Vulcan”, based mostly on a suggestion from actor William Shatner of TELEVISION’s “Star Trek”, however it was rejected because that identify has already been used in astronomy. The examine of objects exterior our galaxy is a department of astronomy concerned with the formation and evolution of Galaxies ; their morphology and classification ; and the examination of lively galaxies , and the teams and clusters of galaxies The latter is necessary for the understanding of the massive-scale structure of the cosmos The Quest for Extraterrestrial Intelligence” Cosmic Search Magazine. Archived from the original on 18 August 2006 Retrieved 12 August 2006


The size of the day, the month and the yr is thought. The five naked eye planets are identified. 600 BC In Greece, Anaximander notices that the stars appear to rotate round a pole. He suggests that the sky is an entire sphere around the Earth. He thinks that the Earth’s floor must be curved after hearing that travellers noticed new stars showing when shifting north or south. He pictures the Earth as aplanets are known to move in opposition to the background of the celebs which appear mounted to a crystal sphere. The phrase planet means “wanderer”.


For those who ask two astrologers what exactly is the best way to create ahoroscope, you will doubtless not get the identical answer. Some astrologers useonly the normal five planets plus the Moon and the Sun. Others haveadded in planets that have been discovered because the ancients inventedastrology. Still others even include asteroids and other minor Photo voltaic Systembodies. Others assume you needto be accurate right down to the date.


Star Parties Provide Outlet For Astronomical Interests

The Astronomy Division awards several undergraduate scholarships every tutorial 12 months. All scholarships are restricted to declared Astronomy majors, and supply help for 2 semesters. The number of scholarships and the quantity awarded varies from yr to year, however generally we make between 5 and 10 awards in quantities starting from $500 to $2,500 per year. Students who’ve obtained scholarships in earlier years are eligible to re-apply for one more award. Scholarship application kinds are distributed to all Astronomy majors. Software deadlines are normally set for late March. Financial Help: Teaching-Related Job Alternatives


If you’re excited by taking astronomy coursesbut you are not interested in pursuing both our minor or major, takea look at our non-majors’info , which incorporates adetailed chart of what programs we recommend you’re taking primarily based upon yourlevel of math and science. Every scholar’s plan of examine ought to provide for as a lot superior work as his or her aptitude and former preparation allow. Up to one-third of this system of study could also be taken in related scientific fields other than physics and mathematics (e.g., chemistry, astronomy, geology, engineering). Ph.D. students in physics with the non-compulsory subtrack in astronomy must full a complete of six courses from the next two lists.



One of the vital features of the majors programs is the opportunity to participate in ASTR 4993 tutorials , through which the scholar studies some space of explicit curiosity to him/her underneath the person steering of a college member. Any topic in the space of competence of the faculty will be examined in depth. These tutorials are distinct from ASTR 4998 (Senior Thesis) , though we count on that many college students might choose to do thesis research on a problem growing out of a tutorial. ASTR 4993 could also be repeated as soon as for credit score.


In lieu of the above, any 3-semester Columbia introductory sequence acceptable for the physics main in Columbia Faculty will do (e.g. PHY C 1601-2, 2601, taken with PHY 1691-three). The accelerated 2-semester Columbia School sequence PHY C 2801-2 can also be acceptable. Calculus by IIIS/IVA is required, with additional work in arithmetic really helpful; e.g. Math E 1210x, y: Atypical Differential Equations, APMA E 3102y: Utilized Arithmetic II. The calculus sequence ought to be accomplished by the end of the sophomore yr. At the upper stage the following programs are required:


Finally, a more thorough quantitative therapy of selected topics in astronomy and astrophysics on the higher-division degree is supplied by Astronomy & Astrophysics courses 112, 113, 117, and 118. Completion of course work in calculus of several variables (Arithmetic 22 or 23A-B) and Physics 5B/M or 6B/M and 101A is required for these advanced courses. The mixing of our astronomy program with an excellent physics program enables our college students to have access to superior physics courses, and also to seek employment in physics analysis if undecided about physics versus astronomy.


Arithmetic, Chemistry, Physics, And Astronomy, Science And Technology

Electromagnetic Radiation (Light)Common properties of sunshine, definition of frequency, spectrum, temperature.Mild production: Steady (thermal) spectra, emission traces, absorption traces andthe Bohr mannequin for the atom. Doppler Effect and why spectral traces have to be usedto measure the doppler shifts. All of the line drawings have been done with Create on my previous NeXT machine or with Freehand on a wintel laptop computer and Macintosh at residence. The line artwork images on the screen are GIF and PNG photographs. When you’ve got feedback about theseplease e mail me This large area-of-view picture of sunspots in Active Area 10030 was noticed on July 15, 2002. Researchers coloured the picture yellow for aesthetic causes.


In any try and assess the success of Smith’s enterprise we are met at the outset by his inconsistent and ailing–outlined terminology ‘philosophy is the science Philosophy could also be considered a type of arts’ (both in Astronomy, II.12). In actual fact the terms philosophy, physics, arts, sciences, and natural philosophy are used virtually indiscriminately. The first demarcation between ‘science’ and ‘art’ is attributed by the Oxford English Dictionary to Richard Kirwan: ‘Previous to the 12 months 1780 mineralogy tho’ tolerably understood as an artscarcely be termed a science’ (1796).



Buckle instructed me that he purchased all of the books which he learn, and made a full index to every, of the details which he thought may show serviceable to him, and that he might always keep in mind in what guide he had learn anything, for his memory was fantastic. I requested him how at first he could judge what details could be serviceable, and he answered that he didn’t know, however that a type of instinct guided him. From this behavior of making indices, he was enabled to offer the astonishing variety of references on all types of topics to be present in his History of Civilisation


At this time, the U.S. army had a high altitude rocketcalled the Jupiter. On a missile check flight on September 20,1956, the Jupiter rocket was flying over the South Atlantic whenits nostril cone briefly went into area before arching right down to theocean. The Jupiter’s designer and a few others knew that thenose cone, if detached, might have gone quick sufficient to orbit theearth. The Pentagon suspected that the Army might attempt to “unintentionally”put one other Jupiter nose cone into orbit so they ordered the Armyto fill the nose cones with sand and to disable the Jupiter’sfourth stage.


As a Christian, I consider the Biblical account of creation as initiated by God who exists outside of time and called all things into being by the power of His Phrase. The Bible states that God merely spoke to the darkness and light-weight burst forth. But whereas that’s all fantastic and dandy, it hardly satisfies our human desire to know why and how the universe started. We can conceive the “why”. Because God commanded it so. But I need to know the way that happened and what that appeared like!


Requirements For The Graduate Program, Berkeley

Learning online astronomy levels is an exciting new offering in the world of online schooling. Throughout history folks have regarded to the heavens in marvel and curiosity. Individuals have all the time questioned what is out there. The study of astronomy is as outdated as time itself and is among the hottest hobbies for folks immediately. As telescopes get more advanced and more fairly priced an increasing number of persons are turning their consideration to the celebs. By finishing online astronomy levels anyone can flip their pastime into a new and exciting profession.


The Division of Astronomy gives graduate programs leading to the Master of Science and Physician of Philosophy degrees. The goal of the graduate program in astronomy is to offer broadly based mostly coaching in modern astrophysics and astronomy for a small and thoroughly chosen student physique. Individually designed programs involving close contact with school members are inspired, and an understanding of elementary rules and strategies and their purposes to analysis issues of present curiosity is emphasised. Students are anticipated to accumulate a solid data of contemporary physics as well as of basic astronomy. Grasp of Science



The sequence of courses proven under is a typical one for an astronomy major, however many different course picks are doable. In particular a scholar who begins with an excellent math background might take calculus within the freshman 12 months, and PHYS 2130-2140 instead of PHYS 2070-2080-2100. The scholar should additionally satisfy all the diploma requirements of the University Core and the Faculty of Arts & Sciences. The official diploma necessities are printed within the Catalog of the College of Toledo. Athens, GA 30602 B.S. Physics w/Astronomy major, B.S. Physics M.S. and Ph.D. Physics Georgia State University Prof. D. Michael Crenshaw Dept. of Physics & Astronomy


Goal primary: end my PhD. Doing as separate Grasp’s degree has helped in loads of methods, but it also stretches my time in graduate college. So I’m fully centered on my analysis and the few remaining lessons. Luckily for me, I’m in a terrific place. In the future? Who is aware of. The job market in astronomy (and it seems in most sciences) is an increasing number of in flux these days. I would like to remain in academia, be knowledgeable astronomer someplace. We’ll see. The levels accessible in RTU is a level leading to the Grasp of Science in Astronomy and the Bachelor of Science in Astronomy Know-how.


The standard image for marking the arcminute is the prime (′) (U+2032), though a single quote (‘) (U+0027) is usually used where solely ASCII characters are permitted. One arcminute is thus written 1′. It is also abbreviated as arcmin or amin or, less generally, the prime with a circumflex over it ( ). Undecided whether you’re extra inclined towards astronomy or a unique variety of physics? Contemplate that simply less than half of the academic departments offering degrees in astronomy are standalone departments. The other half mix physics and astronomy — which implies you’ve bought choices, child.


Thursday, September 26, 2013

The Science Of Astronomy – From The Earliest Identified Records To The Middle Ages

Ancient Egyptian Astronomy was also used within the calendar, to determine when the thirteenth month needs to be added. The calendar had 13 months as a result of the twelve lunar months weren’t sufficient to make up a complete yr. So, when the constellation of Sirius rose very late within the twelfth month, the thirteenth month began. This allowed the traditional Egyptians to make use of astronomy to accurately keep observe of the years. Afterward, they moved to a 12 months of twelve thirty day months with five feast days at the end. Since this calendar was not made with reference to the celebrities, it soon became inaccurate and didn’t match the seasons.


The Egyptians constructed their monuments pointing in the cardinal instructions and used them to replicate essential celestial occurrences revealing the time of yr. In addition they developed a classy calendar, albeit with numerous complexity and the need to run three separate calendars.This may occasionally seem strange to us, however the idea of a number of calendars is an answer that the Mayans arrived at independently. The truth is, we use a number of calendars, with the Islamic world maintaining a lunar calendar relatively than the solar calendar of the Western world, and Orthodox Christian Churches use the Julian calendar to decide ceremonial dates.



Discovery of the obliquity of the ecliptic – Diodorus Siculus (70 B.C.) reports that Egyptian priests claimed it was from Oenopides of Chios that we discovered the solar moved in an inclined orbit and oppositely to the movement of the opposite stars. On this connection, it ought to be famous that the precedence of Oenopides declare to this discovery is disputed by Pythagoras. In view of the truth that each Pythagoras and Oenopides went to Egypt to review astronomy, it would appear solely truthful to provide their Egyptian academics not less than some of the credit score. (1)


The roots of astronomy lengthen to earlier than written data, but it’s clear that people have at all times noticed the sky. The earliest identified data of astronomical observations come from the Sumerian and Babylonian cultures (in what is trendy-day Iraq) and date from way back to 3000 B.C. Cautious observations by court docket-sponsored astronomers led to the first recognized star maps, the zodiac, and lots of the other constellations nonetheless referred to right now, as well as the sexigesimal (base-60) counting system on which our angular measures are primarily based. Marshall Clagett, (2004), Ancient Egyptian Science: A Source Book. Quantity Two: Calendars, Clocks, and Astronomy American Philosophical Society. ISBN 0-87169-214-7


Egypt was one of the world’s first agricultural civilisations, and its fortunes, thus, had been associated to those of the immensely long river that flowed by it. Farming requires planning: it’s worthwhile to know when to sow, when to reap, and you need to know when the river will burst its banks and canopy the plain with fertile mud. For all this, you want an idea of time. have taken their theories in a distinctly different history vein, the preliminary idea that the Giza pyramids were meant to copy the belt of Orion discovered supporters within the Egyptological group, including that of Egyptology legend I.E.S. Edwards


Chia Seeds Include All The Nutrients You Might Hope To Get In A Food

The Aztecs typically used fastened locations in temples and different buildings to watch the heavens. They tracked the rising and setting of the sun, moon, planets, and stars on the horizon by placing setscrossed sticks along their website line. These alignments and orientations were then used to architecturally lay out plans for cities and important buildings. It was common in lots of Mesoamerican societies for buildings and temples to line up alongside equinoctial strains. For example, the Templo Major was aligned so that on the Spring equinox (March 21) the sun rose directly between the Huitzilopochtli and Tlaloc temples.


The four sides of the Nice Pyramid of Khufu are precisely oriented to the cardinal points of the compass. The base has sides 230 meters long, apparently with a difference between them of only a few centimeters. The pyramid was initially 146 meters high till it was robbed of its outer casing and capstone. The structure incorporates approximately 2.3 million stone blocks. The Great Pyramid of Khufu is considered the most huge building ever erected on the earth – a outstanding statistic for a building feat achieved 4500 years ago.



Nevertheless, the Mayans were wonderful builders and plenty of of their temples and buildings are aligned to help observers monitor position. For example, many buildings pointed in the direction of the equinoxes or midsummer, while different buildings had doorways and home windows aligned with the most northerly or southerly rising of Venus, probably the most vital celestial bodies to the Mayan tradition. So correct have been their observations that their predictions of the orbit of Venus misplaced solely two hours in a 584-day cycle. What Drove the Mayan Chicken Itza in the course of the Spring Equinox (Public Domain)


The Aztecsmade scientific advances within the area of drugs as effectively. Surprisinglythe natural medicines of the Aztecs have been a lot larger than these of theEuropeans during the identical interval. The medication was primarily based on two areas,spiritual and natural therapeutic. Lots of the sicknesses have been blamed onthe gods, thus religious healing consisted of prayer, and sometimes animalsacrifice. McClellan III, James E. and Harold Dorn. Science and Technology in World History: An Introduction Baltimore: The Johns Hopkins University Press, 2006. Montezuma II had been murdered by the end of the 52-yr cycle; so began the demise of the Aztec Empire.


The Aztec faith is made up of very advanced; set of beliefs and another part of the Aztec legends is the belief in a hierarchy of gods. Primarily based on Aztec mythology, the top three gods had been Huitzilopochtli also called “hummingbird wizard”, Tezcatlipoca “smoking mirror” and Quetzalcoatl or “sovereign plumed serpent”. In truth, the Aztecs worshipped hundreds of different gods and goddesses as all Aztec gods played an vital role in human life and nature.


Astronomy For Children On-line Shows You Amateur Astronomy With A Tour Of The Stars And House.

Pamela: (Laughs) Nicely the atoms are certainly staying the same however what’s altering is the kinematic motions and the kinematic motions of a certain degree decide how properly atoms are or aren’t bond to one one other. Relying on the scenario when you will have a solid, you may have all of these atoms which might be very close to one one other, and in some cases, are what is named ionically bound to one another. Ionic bonds are when two atoms are sharing electrons back and forth but it’s not that hardcore bond that you simply get from issues like H2O which is a covalent bond.


There was one quiz out there, and I assume extra quizzes shall be added as the course advances. For enjoyable, I decided to take the quiz and see how it works. I discovered the quiz relatively enjoyable! The questions were fascinating and the last one was the one that basically stated should you “knew your stuff” as a result of it mixed a whole lot of information realized within the course.



1842 Christian Doppler discovers the principle by which sound or light shifts in frequency and wavelength because of the movement of its source with respect to the observer. Ball State already has a serious issue with creationism being taught as science by an astronomy professor, Hedin. Now they’ve employed one other astronomy professor and creationist to show science at their university, Gonzalez,” mentioned FFRF legal professional Andrew Seidel. He thought it was a little strange so he put his cellphone down, known as his nephew, after which returned to shoot a second video clip.


The guide is simple to learn and like most Dummies books I’ve learn is organized in chunk measurement pieces perfect for reading just a little at a time. It’s a lot less intimidating to strategy an enormous subject like this a bit at a time so it isn’t overwhelming. This can be a nice solution to be taught about the sky and acquire a higher appreciation of the world around you. The Dallas Morning Information wrote that “Dr. Maran takes up the place Carl Sagan left off, telling the story of house to anyone who’s involved. Except that Dr. Maran is funnier.”*


In the event you already had an curiosity in Astronomy then chances are high you will do superb on this examination. For those who have never been bitten by the bug, that’s okay too. The ideas are really not that tough to grasp, and the examination itself does not ask you to know the inner workings of the universe. I’ve tried to interrupt the fabric down even easier in our Quick Prep Sheet for this exam, so if you happen to’re nonetheless having a tough time understanding issues, contemplate that as a supplemental research resource.


Astronomy Jobs And Information

On-line studies present you the chance to adapt your plan to the program and study whilst you have the occasion. You can decide to advancement at your pace and obtain the enable you want from extremely certified laptop science tutors. Along with on-line studies, you get the kind of support which often a student may receive in encounter to cope with session.


One parsec is roughly 30 trillion kilometers or 19 trillion miles. That’s a bit over three mild-years. The Voyager 1 probe, launched in 1977, is essentially the most distant artifical object from Earth. It is a mere six ten-thousandths of a parsec away. The nearest star to the Sun, a small pink dwarf named Proxima Centauri, is simply over one parsec from us. That’s truly fairly typical in our neck of the Galaxy: one star for every cubic parsec. However not all over the place. Within the cores of globular clusters, the density can attain properly over a hundred stars per cubic parsec!



Skill-clever, astronomers will need to have wonderful math and physics skills. Also, astronomers ought to have robust laptop programming expertise. Computer systems are extensively used inside the astronomy field, which is why computer courses are vital so as to get hold of an astronomy degree. Lastly, astronomers should even have superb writing abilities, since a big portion of time will be spent drafting grant proposals. Sheree Toth , professor of psychology and govt director of the Mt. Hope Household Middle at the University of Rochester, acquired the Outstanding Research Profession Achievement Award from the American Skilled Society on the Abuse of Children.


and a closing Pilot Analysis Challenge

The first course consists of the acquisition of yet more analysis expertise that will probably be needed for the astrophysical research undertaking in the following course. The student learns the right way to find vital technical background info regarding the subject of his/her analysis in various scientific journals, databases and different skilled sources. It also covers prerequisite document processing of research articles in special knowledge formats or printing codecs which might be often required by professional astronomical journals. After each talent space is roofed, the coed demonstrates his newly acquired data in a proper scientific paper on a cutting edge matter.


There is not a single particular person. Like most scientists, I have been inspired by lots of the greats over the years. I might also have to present credit to the good lecturers that I have had, and to my household for encouraging me a long the way in which. I most actually could not have accomplished it without their love and assist. Elementary and middle faculty college students desirous to change into astronomers should do as well at school as they’ll. Concentrate on math and science, however do nicely in all subjects. Dr. Carpenter is a graduate of Louisiana Tech University and holds a master’s degree and a Ph.D. from Louisiana State University.


Caltech Submillimeter Observatory In Hawaii To Be Decommissioned

Different alumni have turned their gaze to the universe. C. Gordon Fullerton (BS 1957, MS 1958) piloted the third area shuttle mission and orbited the earth in Skylab Astronaut (and later, United States Senator ) Harrison Schmitt (BS 1957) was the only geologist to have ever walked on the surface of the moon. 120 Astronomer Eugene Merle Shoemaker (BS 1947, MS 1948) co-found Comet Shoemaker-Levy 9 (a comet which crashed into the planet Jupiter ) and was the first particular person buried on the moon (by having his ashes crashed into the moon). 121


The brand new knowledge set is predicated on observations taken with the 0.7-meter telescope on Mt. Bigelow in Arizona. The observations were part of the Catalina Sky Survey (CSS), a search for Near-Earth Objects (NEOs)—asteroids that will pose a threat to Earth-performed by astronomers at the University of Arizona. By repeatedly taking photos of huge swaths of the sky and comparing these photos to previous ones, the CRTS is able to monitor the brightness of about half a billion objects, permitting it to search for people who dramatically brighten or dim.



A new picture from NASA’s Galaxy Evolution Explorer shows baby stars sprouting in the backwoods of a galaxy – a comparatively desolate area of area greater than 100,000 light-years from the galaxy’s bustling heart. The opportunity of discovering life on other planets is the potential gold mine of habitable zone exoplanets, and concepts about how to overcome gentle years to go to one other star not seem to date-fetched. Actuality before long might mirror the planet-hopping depictions in science fiction reminiscent of “Star Trek” and “Star Wars.” King Harald of Norway will present the Kavli prizes at a ceremony in Oslo on Sept. 4, Caltech officials stated.


Another lengthy-standing custom is the playing of Wagner’s Ride of the Valkyries at 7:00 each morning throughout finals week with the most important, loudest audio system out there. The enjoying of that piece is just not allowed at any other time (except if one occurs to be listening to the whole 15 hours of The Ring Cycle ), and any offender is dragged into the showers to be drenched in cold water absolutely dressed. quotation needed


PASADENA, Calif.-The California Institute of Expertise (Caltech) scientists who research the outer reaches of area are about to get some area of their very own with the official opening of the Cahill Middle for Astronomy and Astrophysics. Brown’s most effectively-identified discovery got here in 2005, when he found a Kuiper-belt object, later named Eris, that’s about the same measurement as Pluto however 27 p.c more large. That discovering induced astronomers to rethink the definition of a planet, ensuing within the reclassification of Pluto as a dwarf planet. PICTURE: The Hubble Extremely Deep Field 2012 campaign explored the deepest reaches of the universe that has ever been studied with Hubble.


Wednesday, September 25, 2013

San Diego State College

There are two tracks for the B.S. diploma in physics at IU South Bend. The Professional Track is one of the best preparation for graduate research in physics, whereas the Applied Physics Track is meant primarily for students who’re pursuing degrees in both physics and engineering via our dual-degree arrangements with engineering departments. The department also presents a B.A. diploma in physics. Bachelor of Science in Physics, Skilled Monitor Instead of working for a separate astronomy division, most teaching Astronomers are actually members of other departments such as physics. Resulting from coaching obtained by way of undergraduate and graduate studies, an Astronomer’s skills open many doors of career alternative.


One other thing, regardless that Australians and Individuals both speak English, the truth that phrases or phrases might have very different meanings in each nation can generally cause frustration when making an attempt to understand a lecture or project instructions. There may be an outdated joke that the English and People are two peoples separated by a common language. The identical situation sometimes applies to Australians and Americans. The astronomy degree has two tracks – General Astronomy (APS degree only), and the Astrophysics / Physics (supervised collectively by APS and Physics).



SDSU affords two levels on the bachelor’s stage with specialization in Astronomy: the B.A. diploma in Liberal Arts and Sciences, and the B.S. degrees in Applied Arts and Sciences. These diploma plans are similar of their emphasis on astronomy, physics and mathematics. The B.A. degree requires, in addition, competency in a single overseas language, whereas the B.S. diploma requires additional course work in astronomy and related disciplines. Students should not supposed to give detailed help to different college students, however offering a clue as to the precise basic path to go isn’t discouraged. Personal communication with the trainer is finished via electronic messaging or e mail.


The minimal grade point to satisfy the above requirements is 2.00in each course Word that a few of the superior physics coursesrequired have conditions which aren’t included within the minimumrequirements for an astronomy degree. In addition to the formaldegree requirements, it’s strongly beneficial that each studentgain a data of pc programming (Astr 300: Introduction to Programmingfor Astronomical Applications – 2 cr- is highlyrecommended to be taken prior to astronomy 400 stage courses and is requiredfor Astr 480). Some engineeringcourses could also be allowed to substitute for a few of the physicsabove (as accredited by advisor).


The BA. in Astronomy consists of 33 hours of required astronomy and physics programs within the Department of Physics & Astronomy, 8 hours of Calculus, and no less than 10 extra hours in the Natural Sciences and Arithmetic, chosen with the advisor’s approval. This program is meant to offer the mixture of fundamental physics, along with both basic and advanced astronomy, required for a career in astronomy or a related space. It additionally has the flexibility required by students who wish to pursue interdisciplinary research, or prepare for careers in instructing or different professions requiring a fundamental understanding of the physical sciences.


Astronomers Measure The Elusive Extragalactic Background Gentle

If Hutcheson marked “the beginning of the good rebel of the Scotch mind,” Adam Smith was the best figure of that mental movement. Even the celebrated David Hume was a relatively superficial thinker compared to Smith. A significant component in Smith’s importance, according to Buckle, was his understanding that economics is basically a deductive science, and it was this perception that enabled Smith to raise economics to the standing of an genuine science. Co-founder and Common Secretary, SHA This post was beforehand issued direct to SHA members and associates on our emailing listing.


Michael Hoskin taught History of Astronomy at Cambridge University for thirty years and was head of the Division of Historical past and Philosophy of Science. He is a Fellow of Churchill School and Emeritus Fellow of St Edmund’s College, Cambridge. In 1970 he based the Journal for the History of Astronomy , which he has edited ever since. He is a former President of the Historical past of Astronomy Commission of the Worldwide Astronomical Union, and the one historian to have given an Invited Discourse to the Union. In 2002 the Union named Minor Planet 12223 ‘Hoskin’ in his honor.



In 2004, BIMA merged its radio telescope array with Caltech’s the Owens Valley Radio Observatory Millimeter Array to type the Mixed Array for Analysis in Millimeter-wave Astronomy (CARMA) The merger moved each radio telescope arrays to the present Cedar Flat location. The development and commissioning took roughly three years. The array began routine science operations in January 2007. The report ends with a discussion of a management plan and the expected economic impact on astronomy and industry. The project’s innovation, generation of data and stimulation of skills and capabilities will all have major optimistic influence on science and expertise.


A 272 page development proposal for the “European Extraordinarily Massive Telescope Mission” (E-ELT) provides exhaustive details about the science and considering behind the massive telescope being built in Chile. The E-ELT is described because the important next step in directly observing the underlying phenomena vital to a greater understanding of the character of the universe. A graphical representation of the Doppler effect: waves are being emitted by a source transferring right here from right to left. To the observer, waves in entrance of the supply are compressed to a higher frequency (shorter wavelength, or bluer); waves behind the source have a longer wavelength.


Observations with the Atacama Giant Millimeter/submillimeter Array (ALMA) present that probably the most vigorous bursts of star birth within the cosmos occurred a lot sooner than beforehand thought. The outcomes are revealed in a set of papers to seem within the journal Nature on 14 March 2013, and in the Astrophysical Journal. The analysis is the most recent example of the discoveries coming from the brand new worldwide ALMA observatory, which celebrates its inauguration immediately. The most intense bursts of star start are thought to have occurred within the early Universe, in large, brilliant galaxies.


Macular Degeneration Test May Come From Astronomy Engineers

Some interpret that the sequence of those astronomical occurrences that are to happen on Dec 21, 2012 are a success of historic omens that allude to a time & place of Atlantis from which such ‘dragons’ or Fallen Angels as soon as had dominion over the Earth. This imagery associated with the Statue of Liberty on Liberty Island echoes that of Atlantis Rising out of the ocean. It speaks of the resurgence of the Guardians of Atlantis or Fallen Angels of previous which might be mentioned to come once more at the Finish of Days to reclaim dominion on Earth over mankind.


The first skilled astrologists got here from Babylonia The Babylonians observed the planets as in the event that they were living beings traveling by means of the night time sky. A lot of their predictions regarding planetary exercise are similar to their predictions that involve animal behavior. As an example, if a planet was observed to behave in a sure method, it could have been a foretelling of famine, struggle, luck or peace for the land. Babylonians would also predict future events based mostly on the conduct of animals. Maybe that is the origin of why the zodiac depicts animals or symbols of animals inside a number of the individual astrological indicators



One other error in astrology lies in the indicators themselves. There are literally thirteen signs in the Zodiac. Ophiuchus, the Serpent Bearer, lies between Scorpio and Sagittarius. Poor Ophiuchus was not noted until not too long ago, probably attributable to a superstition of the quantity 13. Simply the addition of an additional sign would change the complete Zodiac. People who had been originally born beneath one signal now have a distinct sign. How may any predictions be made for an individual if their signal has modified? On the very least, I hope it makes individuals exit and truly look at the sky,” Kunkle stated. “That is the fun half.”


All Jyotish (Hindu) and a few Western astrologers use the sidereal zodiac, which makes use of the same evenly divided ecliptic however which approximately stays aligned to the positions of the observable constellations with the same identify because the zodiacal signs. The sidereal zodiac is computed from the tropical zodiac by including an offset referred to as Ayanamsa. This offset changes with the precession of the equinoxes. Effectively-illustrated pages. Astronomy is a really visible self-discipline. College students should suppose “spacially” to actually grasp the ideas. Having properly-made pictures is essential to learning it. Nearly every page of the textbook accommodates high quality diagrams and photos.


If you wish to find out what your “signal” actually is (not that it issues!), listed here are all 13 conventional constellations within the zodiac and the dates the Sun “passes via” them However even to say Mars is IN Leo is incorrect. Mars can be in the identical course as the stars of Leo. These are themselves at totally different distances. It’s a bit like holding a hand against a building saying the hand is IN the the building regarding astrology: particularly, that the solar passes through thirteen constellations, not just the twelve, and that the signs of the zodiac don’t align with astrological signs.


The whole lot You Need To Know: June Solstice 2013

The same principle applies to Biblical Prophecy. What is essential, because it relates to the success of a prophetic occasion, is the dimension of time concerned. This ‘time’ factor has been understood by all historical cultures to be in direct proportion to the astronomical procession ofthat may measure when issues are to happen, a minimum of from the angle of the cosmos. In different phrases, there’s a massive clock on the market the place certain instances that may be calculated. Extra importantly, the sun’s path does not rely upon how we people define constellations – the ecliptic is the same whether or not there are no constellations, 12 constellations, or a billion constellations.


What makes this complicated is that the North Pole is not at all times pointing in the identical path relative to the backdrop stars. Our planet spins like a prime. And like a top, the Earth additionally wobbles! A wobbling Earth makes the North Pole trace out a circle on the celestial sphere. Now, the wobble is sort of gradual—it takes 26,000 years to wobble around as soon as—but as the years go by, the effect accumulates. Instead, let’s give attention to actuality and learn one thing in regards to the constellations and the zodiac, making use of what some may name a “teachable moment”.



The 1st ‘picture’ is of the Statue of Liberty intersecting the purpose at which the Galactic Airplane & the Ecliptic meet. The angle is from the purpose on Liberty Island & behind the Statue itself. This cosmic intersection will probably be round 9:11am when trying southeast towards the direction of the Pyramids of Giza/Jerusalem after sunrise in the morning. Of word also, it will be at that precise time of 9:11am that the Planet Mars is to rise above the NYC ocean horizon.


Nonetheless, the Transit of Venus from Earth’s perspective might yet have been of some significance almost about the Rapture in spite of everything. Might the Transits of Venus that occurred in June have been a sort of pre-curser to something dealing with the Venus Transit that is to occur from Saturn’s perspective on Dec 21, 2012? There are virtually precisely 200 days from the Transit of June to the one in December 2012. Parke Kunkle told the Minneapolis Star-Tribune that the wobble of the Earth implies that it is now not aligned in the identical means that it was thousands of years in the past when the first astrological indicators were drafted.


The horoscope is a chart showing the positions of the planets, Sun, and Moon inthe sky at an individual’s delivery. Their positions are positioned in the zodiac -a narrow belt of constellations centered on the ecliptic The ecliptic is the trail the Sun takes by means of the celebs throughoutthe 12 months (as opposed to the arc it travels from sunrise to sunset). The zodiac is split into 12 signs named after the constellations by means of which the Sun,Moon, and planets passes. Your “sign” is the zodiac sign which the Sunwas in at your delivery. However up to now 24 hours, he has been swamped with questions. It has been an exhausting hoot,” he informed the Star-Tribune.


Famous Supernovae Still Echo Across The Milky Means

Upon Alexander’s death, anti-Macedonian sentiment in Athens once again flared. Eurymedon the hierophant denounced Aristotle for not holding the gods in honor. Aristotle fled the city to his mom’s family property in Chalcis, explaining, “I can’t enable the Athenians to sin twice in opposition to philosophy,” a reference to Athens’s prior trial and execution of Socrates. However, he died in Euboea of pure causes throughout the yr (in 322 BC). Aristotle named chief executor his student Antipater and left a will through which he asked to be buried next to his wife.


The celebrities got here subsequent in importance. It was not identified that the solar is a star in the Medieval period. Instead, the celebrities were thought-about to be mounted lights in the sky. Medieval folks were aware of all the constellations we acknowledge within the Northern Hemisphere at present. Most medieval astronomers used Aristotle’s vision of the sky, which was made up of concentric crystal spheres. Final, however not least – the planets



As evidenced in his treatise Meteorology, Aristotle additionally dabbled in the earth sciences. By meteorology, Aristotle didn’t simply imply the research of weather. His extra expansive definition of meteorology included “all the affectations we may call widespread to air and water, and the kinds and elements of theand the affectations of its components.” In Meteorology, Aristotle recognized the water cycle and mentioned subjects ranging from pure disasters to astrological occasions. Though many of his views on the Earth had been controversial on the time, they were readopted and popularized throughout the late Middle Ages. Philosophy


His only work still in existence is “On the Dimensions and Distances of the Sun and Moon,” on his studies of the scale of the solar and the moon and his attempts to calculate the distances between them. Although flawed, his estimations were geometrically right as he attempted to estimate the size of the moon, utilizing the ratio of it as compared with the Earths shadow on the moon. Audience: It’s supposed for College level audiences; as it’s for a college class. I might also advocate it to high schooler’s which might be able to muscle by way of the knowledge and the long winded biography of his life.


Incomparable Models : Kind numbers are conceived asordinals, with models conceived as being well ordered. What makes thisnumber three will not be that it is a concatenation of three units, however that itsunit is the third unit on this collection of models. Therefore, it’s simplyfalse that there’s a unity of the primary three models forming a numberthree. What makes an ordinary concatenation, e.g., a herd of cows, tencows is that they are often counted according to the sequence ofForm-numbers. The notion of incomparable numbers lacks the basicconception of numbers as concatenations of models.


Tuesday, September 24, 2013

Astronomers Won’t Name Pluto Moon Vulcan — Slice Of SciFi

Today, a geocentric framework is still helpful in some applications, such as navigation at sea and in planetariums. However a geocentric understanding of the universe is generally not useful for the computation of planetary orbits or spacecraft trajectories. In the present day astronomers think of the Photo voltaic System as being in movement relative to the movement of the Milky Approach Galaxy. The Indian astronomer Aryabhata’s (476-550 CE) writings tremendously influenced Islamic astronomy. Aryabhata, in his books, Āryabhatīya and the Aryabhatasiddhanta , plainly mentioned that the earth rotated round its personal axis. Aryabhata also said that the moon shines because of reflected sunlight.


In accordance with Hesiod’s Theogeny (written in the seventh century BC) the Muses had been the offspring of Zeus and Mnemosyne, the goddess of reminiscence. Indeed, our phrases for ‘memory’, ‘mnemonic’ and even ‘meme’ are derived from Mnemosyne. This now starts to make far more sense. In the identical Theogeny, we’re instructed that kings and students receive their powers of data from Mnemosyne and the Muses. Such reminiscences aren’t just personal however collective.



The Greeks started to think about philosophy from the time of Thales in about 600 BC. Thales himself, though famed for his prediction of an eclipse, most likely had little data of astronomy, but he brought back from Egypt data of arithmetic into the Greek world and presumably additionally some data of Babylonian astronomy. It’s affordable to start by taking a look at what ‘astronomy’ was in Greece around this time. However we start by looking further again than this to round seven hundred BC. The guide also accommodates a summary of geographical knowledge with estimates of latitudes and longitudes for places in Europe. These wouldn’t be improved for 800 years.


To our senses, the distinction between the heavens and the earthis completely obvious. The heavens are filled with luminous objects in everlasting movement, whilethe earth is a dark mass of rock and water the place nothing keeps transferring for very long.Everybody can see that the earth doesn’t transfer, whereas the motions of water and windseem to be caused by influences from above.Even people and animals, which may put themselves into movement at will, eventuallydie and decay. As a result of heavenly motions never stop, and the heavenly lights by no means burn out, the heavens should besupernatural—populated by immortal deities.


From a difference in length of shades, and in addition a number of experiments it could receive diploma of curvature of the Earth. Having made a binding to distance between two monuments, it could not give a tough estimate of the sizes of the Earth. (From theof its initial measurement of distance between two monuments were faulty. The scale of the Earth counted by it has appeared is too small, the error in an error has made 40 %). The scientist used the identical experiences for a distance estimation between the Sun and the Earth, the Moon and the Earth.


Bruce Betts’ Online College Intro Astronomy Course 2013

This application doesn’t have sport middle You can download this app for $ four.99 Only and an estimated file size of forty eight.2This web site accommodates a pattern of the questions that will probably be encountered on checks in Astronomy 101 sections taught by Dr. James Pierce. Actual checks will include a few of these questions, variations on these questions, or related questions on the same subjects. The desk of contents intently matches the order of presentation of matters within the course. Students ought to seek the advice of a current syllabus to find out which query groups shall be covered on each take a look at.


One of the thrilling things I discovered about was the wealth of astronomy actions and demos developed for the Astronomy from the Floor Up (AFGU) program. As a result of most individuals don’t take into consideration astronomy each day, activities like these are essential for cementing astronomical concepts in folks’s heads, ranging fromideas (like why there are seasons) to extra advanced ones (like how astronomers detect exoplanets).



No 1, where do you live? Are in or near a serious metropolis? Should you answer ‘Yes’ then I have bad information for you. The chances are you will have many issues with ‘gentle air pollution’. Metropolis avenue lights and people from residential and commercial property will obscure lots of the fainter objects within the night time sky, akin to nebula and comets. BAR HARBOR – “Thoreau on Astronomy,” presentation by Tom Calderwood, Acadia’s Astronomy Volunteer, of poetic ideas concerning the cosmos drawn from the writings of Thoreau, 5-5:forty five p.m. at Gates Auditorium, School of the Atlantic, one zero five Eden St.


You even have to consider the stabilized binoculars since they provide you a steadier view, even once you use the binoculars while in movement. These special binoculars are ready to do that due to the way they have been designed, with a gyro attachment that makes it attainable to compensate for vibrations that happen at the carrier level. These vibrations will truly not affect the magnification of the lenses.


Lectures will NOT be straight from the guide. I can’t and gained’tcover all the e-book. I’ll attempt to clarify essential and/or troublesome matters. EXAMS USUALLY TEND TO COWL WHAT I THINK ABOUT NECESSARY, NOTWHAT THE AUTHOR OF THE E-BOOK CONSIDERS VITAL. Elizabeth Howell (M.Sc. Space Research ’12) is an award-successful freelance space journalist living in Ottawa, Canada. She reported on three shuttle launches, together with the first launch “tweetup” during STS-129. Apart from Universe At this time, she recurrently writes for SPACE.com, the Space Exploration Network and All About Space, amongst other publications. You can observe her on Twitter @howellspace or contact her at her website


Invoice Keel’s Intro Astronomy Sources

Please Be aware: The Michigan Department of Natural Sources makes each effort to provide probably the most up-to-date and correct data on the internet calendar. However, dates sometimes change and events may be canceled for any motive. Please call the unit internet hosting the event to verify dates and times previous to your arrival. Astronomy is not to be confused with astrology , a pseudoscience which makes an attempt to predict a person’s destiny by monitoring the paths of astronomical objects. Although the two fields share a common origin, they’re fairly completely different; astronomy embraces the scientific methodology , whereas astrology, with no foundation in science, does not.


Large reflectors of 10″ aperture and bigger on Dobsonian mountings are the most well-liked telescopes for astronomers who search to assemble “buckets of sunshine” for deep-sky observing. These giant scopes perform finest at distant darkish sky sites, away from the glare of city lights. The value and versatility of the smaller 4.5″ to eight” Newtonians, mounted either equatorially or as Dobsonians, makes them a high-quality alternative for the newbie with common pursuits. Our Star: Why Does the Sun Shine? Structure of The Solar Properties of Stars: Stellar Luminosity, Stellar Surface Temperature, Stellar Lots, The Hertzsprung-Russell Diagram, Star Clusters.



Why should we research the Universe? All the pieces is part of the Universe, and that includes us. You might be part of the Universe, all the pieces is. This entry was postedon Thursday, June 20th, 2013 at 14:50 pmand is filed below astronomy , Astronomy outreach , astronomy-related products , communicating astronomyYou can follow any responses to this entry via the RSS 2.zero feed.You may depart a response , or trackback from your own web site. The map of the cosmic microwave background reveals tiny fluctuations in temperature that include details about circumstances within the early universe. (Wilkinson Microwave Anisotropy Probe)


SOUTHWEST HARBOR – “Hoo’s that Calling within the Night time?” films and stories about owls, 1-three p.m. at four Herrick Rd. Reservations required. $5 for adults, $2 for youngsters 5-12, free for youngsters under 5. Call 244-7555. Unless in any other case specified, this ASTR a hundred and one – Introduction To Astronomy course is licensed underneath a Inventive Commons Attribution 3.0 Unported License Take one other fascinating journey by way of time to discover the precursors from centuries and even millennia ago of todays chopping-edge technological breakthroughs. Utilizing the newest scholarship, arms-on demonstrations, and dramatic reenactments, WHERE DID IT COME FROM? exhibits simply how far ahead of their occasions they actually had been.


The 1st Doha International Astronomy Convention was organized by Dr. Khalid Al-Subai of Qatar Foundation and Dr. Martin Dominik of the College of St Andrews. Dr. Khalid Al-Subai can also be the founding father of the Qatar Exoplanet Survey (QES), which over the past couple of years has performed a large-angle photometric survey and successfully discovered two exoplanents (planets outdoors the Photo voltaic System): Qatar-1a and Qatar-2b. Massive Bang” stuck, but not the way in which Hoyle meant. Primarily, he gave the Expanding Universe collection a catchy shorthand, a dynamic slogan that made it simpler to grasp than the obscure idea of static infinity.


A Grasp’s Diploma In Astronomy

PHY7013 Analysis Seminar Students should enroll in Grasp’s Thesis each semester that they obtain advice and assistance in writing the thesis until final approval of the completed thesis has been given and the thesis has been filed with the Dean of the Graduate College. Nevertheless, no more than 6 hours will count towards the M.S. degree. Pandya mentioned the Astronomy Night program schedule has changed to the primary and third Thursday of every month. Upcoming dates are Oct. 6 and 20, Nov. three and 17, and Dec. 1 and 15. The planetarium show will proceed on every of these dates, rain or shine.


JCU claims that their master’s program is a “combination after all-work and research” permitting a path toward knowledgeable career via a development from the Master of Astronomy program to a Doctorate of Astronomy and finally to a PhD in Astronomy or Astrophysics. An MoA graduate who has demonstrated excellent means could also be allowed to skip the intermediate degree and go immediately into the PhD program. Also, JCU’s PhD program companions the doctorial scholar with a distinguished researcher in his/her chosen field (at a significant college within the U.S. or elsewhere on the planet) to serve as a precept supervisor, along with a co-supervisor and affiliate supervisor.



Third and at last, we say an answer of the master equation is complex balanced for a particular complicated if the entire charge at which that advanced is produced equals the entire rate at which it’s destroyed. Demonstrated cultural competence, sensitivity to and understanding of the varied educational, socioeconomic and ethnic backgrounds of group school students, faculty, and staff First, saying that is a coherent state implies that it is an eigenvector of all of the annihilation operators. Concretely this means If using a CCD camera with binning functionality, the binning mode needs to be the same as once you captured your deep space object images.


Now what? There are rumors about an online Ph.D. program but nothing appears to occur. The one criticism of this program that I hear is that the scholar isn’t prepared for impartial research, i.e. writing a defensible thesis that adds new knowledge to the science. I’m undecided that critique is legitimate. I believe someone who has gone through this program may tackle analysis if given entry to knowledge and provided with course. It is not crucial to acquire time for Hubble observations or something like that.


The course in itself really is not that tough. In case you already know a bit about astronomy or astrophysics you will get via it positive. (A minimum of, the half I’ve finished so far). There are two sensible workouts for every topic, and so they often take a number of hours each to do, so you would need some spare time. The course value me about 1500 Euros, but it may have gone up since then. Excellent, in the event you evaluate it to among the courses about out there.


Ephemeris.com Early History Of Astronomy

Solar System Fluff The basics of meteorites,asteroids, and comets are introduced and the way they will tell us the “when” and the “how” of the formation of the solar system. On the finish is an exploration of theother planetary programs. Updates on Comet Hartley discoveries, exoplanet discoveries including these from the Kepler mission and free floater exoplanets, probably hazardous asteroids (plus new part on deflecting and using asteroids), meteorites from Mars, and early history of the solar system. It was from “Components of Astronomy” that Dante stemmed the astronomical knowledge out there in the ‘Vita nuova’ and in the ‘Convivio’.


The report first makes the scientific case for the new telescope together with a recent overview of telescope technology and its potential to advance science and discovery. The bulk of the report is a technical overview from a evaluation of the development website and required infrastructure to the dome and main structure. Particulars of the primary quaternary mirror models, the tip-tilt and discipline stabilization unit, pre-focal stations, laser guides, optics calibration, control system and meeting and verification system are elucidated. In 1967, 12-inch Brashear telescope within the Campus Observatory is used for the last time for professional photometric observations to look at RZ Cassopeia.



Description This is a fascinating introduction to the historical past of Western astronomy, from prehistoric instances to the origins of astrophysics in the mid-nineteenth century. Historic records are first found in Babylon and Egypt, and after two millennia the arithmetical astronomy of the Babylonians merged with the Greek geometrical approach to culminate in the Almagest of Ptolemy. This legacy was transmitted to the Latin West through Islam, and led to Copernicus’s declare that the Earth is in movement. In justifying this Kepler transformed astronomy right into a department of dynamics, leading to Newton’s universal law of gravity.


The CfA’s Science Schooling Division offers the home for several Nationwide Science Foundation funded tasks designed to improve the educating of science in U.S. Faculties and universities. Inside these initiatives academics collaborate with CfA scientists to develop fingers-on actions, computer simulations and hardware, and text supplies for the instructing of earth science, astronomy, and physics. Alternatives exist for involvement by graduate students, lecturers, and scientists by means of sabbaticals, fellowships and summer time institute packages. That is very effectively written and accessible guide. As someone who enjoys studying about both history and science I’ve been practically glued to it. I highly suggest it.


His subsequent discussion will train the reader much about the Giza Pyramids, their building and its historical past. Some facts that I discovered really attention-grabbing included the instruments that have been described in Chapter 1.5 to create them, the fact that the pyramids have a lot to do with the orbit of the sun, temper, earth and planets. There is a wealth of knowledge on pages 39-forty one. The writer even consists of information that these pyramids are a model of the Earth. Really attention-grabbing information and interesting info for the historian and scientist alike.


Monday, September 23, 2013

Cahill Astronomy And Astrophysics Building At Caltech

Tori Hoehler (SSX) presented the Caltech Astronomy & Astrophysics Colloquium on February 2. The lecture, entitled, “Physical and chemical toeholds for exoplanet bioastronomy” was designed to reveal conceptually and by instance that vital useful constraints can be emplaced on the core astrobiological concepts of habitability and biosignatures solely by reference to elementary rules in chemistry and physics, relatively than by empirical reference to the Earthly mannequin of life. Between 2000 and 2003, Sargent was Director of the Michelson Science Center at Caltech, the info heart planned for the Keck/NASA interferometer on Mauna Kea, Hawaii. She chaired the worldwide Board of Atacama Large Millimeter Array (ALMA) from 2006-to-2007 and from 2009-to-2011.


Other alumni have turned their gaze to the universe. C. Gordon Fullerton (BS 1957, MS 1958) piloted the third space shuttle mission and orbited the earth in Skylab Astronaut (and later, United States Senator ) Harrison Schmitt (BS 1957) was the only geologist to have ever walked on the floor of the moon. one hundred twenty Astronomer Eugene Merle Shoemaker (BS 1947, MS 1948) co-found Comet Shoemaker-Levy 9 (a comet which crashed into the planet Jupiter ) and was the primary individual buried on the moon (by having his ashes crashed into the moon). 121



Based on Quimby, the two mysterious supernovae—2005ap and SCP 06F6—had looked totally different from one another as a result of 2005ap was three billion mild-years away whereas SCP 06F6 was 8 billion light-years away. More distant supernovae have a stronger cosmological redshift, a phenomenon through which the increasing universe stretches the wavelength of the emitted mild, shifting supernovae spectra toward the pink end. The Caltech Submillimeter Observatory is a reducing-edge facility for astronomical research and instrumentation development. Positioned close to the summit of Mauna Kea, the CSO began operation in 1986. By 2016, the observatory could have given science 30 years of groundbreaking achievements.


When Caltech officers determined to renovate a 1932 astronomy building that will home a brand new middle for environmental sciences, they thought life ought to mimic ideals—and thereby created what will be one of many greenest science facilities on the planet. Several RMI supporters and staff members labored with the design crew on the Linde + Robinson Laboratory, which is expected to turn out to be the nation’s first LEED Platinum laboratory in a historic building after it opens in July. The prizes had been began by and named for Fred Kavli, founder and chairman of the Kavli Basis, which promotes research, helps scientists and promotes public understanding.


Undergraduates at Caltech are additionally inspired to participate in research. About 80% of the category of 2010 did analysis by means of the annual Summer Undergraduate Analysis Fellowships (SURF) program a minimum of as soon as throughout their stay, and lots of continued throughout the school yr. 84 College students write and submit SURF proposals for analysis projects in collaboration with professors, and about 70 % of applicants are awarded SURFs. eighty five


Historic Astronomy Factors To New Views Of Mayan Life

In 2010 Saturno and colleagues have been excavating Mayan ruins at Xultún , also in Guatemala. One home had been partially looted, exposing a mural on one wall. Intrigued, Saturno excavated the rest of the constructing. At Chichen Itza, the feathered serpent god called Kukulcan would climb down his pyramid, El Castillo, on the first day of spring. Astronomers would then know when to have festivities with human sacrifices, buying and selling human blood for the approaching rains — all to appease Kukulcan and the rain god, Chaac. We actually show this sacrifice (tastefully) within the full dome and really up-shut within the Mayan Prophecies planetarium present.


Tidal Forces from Galactic Middle Would Be Weak : Even if the Sun might align with the galactic heart, the tidal results could be fully negligible. Tidal forces from astronomical objects depend on their mass and inversely on the dice of their distance. Doing the mathematics, the tidal force from the galactic middle is about 2E17 (200000000000000000) times weaker than the tidal drive from the Solar. Such a weak tidal power will have no detectable effect by any means on either the Earth or Sun!



Their astronomical observations have been included in a posh calendar. The ritual calendar was composed of 260 days. 260 days is the size of time Venus appears as a morning star and then 50 days later as an evening star. Venus was closely watched by the Mayans and was central to their mythologies of demise and resurrection. The imprecise calendar contained three hundred and sixty five days, akin to our 12 months and ran concurrently with the 260 day calendar. The Mayans made correct predictions of eclipses.


For an estimate, it suffices to make use of eight gentle minutes (about 500 light seconds) as the space to the Sun and about 30,000 mild years (9E11 gentle seconds) as the space to the galactic heart. Assuming that the galactic mass (about a hundred billion instances the Sun’s mass) is concentrated on the galactic center, overestimates the tidal force from the galactic middle and simplifies the calculation. A report in Science says it dates from the early ninth Century, pre-relationship other Mayan calendars by centuries. The primary known murals of Mayan art have been found after eradicating the filth from a surprisingly nicely preserved building.


The variety of potential dates for the entry of the Aquarian age is about 60 completely different calculations and prophecies, most provide a dwelling that mixes astronomy , astrology and prophetic events, esoteric,or the birthday of somebody or cult chief. To a lesser quantity are those that base their dates on some type of revelation of some metaphysical entity or phenomenon. The latter are exterior the astronomical and astrological. 2012 Mayan Apocalypse is found to be valid as there are a whole lot of sources to substantiate this reality. You’ll be capable to look at this matter in varied websites which are present on-line.