... A Multimedia Tour of the Solar System . by Bill Arnett . The Nine Planets is an overview of the history, mythology, and current scientific knowledge of each of the planets and moons in our solar system. ... T o explore the solar system offline, visit The Nine Planets Bookstore . ... O verview of the Solar System . ... U ranus . ... The Nine Planets Bookstore : explore the solar system offline . ... Copyright 1994, 1995, 1996, 1997, 1998, 1999 by William A. Arnett ; last updated: 1999 May 19 . ...

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• Introduction to The Nine Planets
• Astronomical Names

... The study of extra solar planets will be one of the most important areas of research in astronomy in this century. ... The first planets outside the solar system were found in 1992 around the millisecond pulsar PSR B1257+12 by Alex Wolszczan at the Arecibo Observatory . ... Three space missions based on this principle (MOST, COROT and Kepler ) have already been launched or approved, and have the last one at least has the potential to find Earth-sized planets. ... SIM ( NASA ) is one of such missions...

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. Go Here for Hubble Ultra Deep Field . ___________________________________________________________________ The Electronic Universe Project e-mail: nuts@moo.uoregon.edu

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... 51 Pegasi: A New Planet Discovered . ... Do other stars have planets too? ... In the above picture of 51 Peg the planet is not visible - it can only be detected by noticing small changes in the star's motion. ... In the above picture the lines centered on 51 Peg are caused by the telescope itself and are not related to the star or planet. ... NASA Web Site Statements, Warnings, and Disclaimers . ... Публикации с ключевыми словами: planet - Планета-гигант - Планеты у других звезд . ...

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• Gliese 876 System Includes Large Terrestrial Planet
• Астронет > 55 Cancri: Familiar Planet Discovered
• HD 10180: Richest Yet Planetary System Discovered

Discover the cosmos! ... December 1, 1995 . 51 Pegasi: A New Planet Discovered . ... Humanity took one step closer to answering these questions in October 1995 when it was announced that the star 51 Pegasi harbors at least one planet. In the above picture of 51 Peg the planet is not visible - it can only be detected by noticing small changes in the star's motion. ... In the above picture the lines centered on 51 Peg are caused by the telescope itself and are not related to the star or planet. ...

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• APOD: 2002 June 14 - 55 Cancri: Familiar Planet Discovered
• APOD: 2005 June 14 - Gliese 876 System Includes Large Terrestrial Planet
• APOD: 2010 August 25 - HD 10180: Richest Yet Planetary System Discovered

Now that well over 100 planets have been discovered, we no longer need to ask the question "Are there planets out there?" ... The objective of XO is to find additional hot-Jupiters (like HD 209458b) that transit stars bright enough for detailed follow-up studies to be done with existing telescopes such as HST, Keck, and the VLT. ... Transit observations by themselves provide no information about the mass of the planet and radial velocity studies can yield only minimum masses. ...

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• Research Interests
• John H. Debes
• Hubble Science Legacy Workshop Program

... Planets . ... Earth Satellites . ... Looking in the direction of the constellation Cygnus the Swan and launched by NASA in 2009 is the Kepler Space Observatory.Many previous missions searching for exoplanets mainly detected large giant planets, like large hot Jupiters (it is easier to detect larger planets).However KeplerтАЩs main objective is to search for much smaller planets located in a habitable zone which is not too close nor too far from their star; planets which may be just like our Earth. ...

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• Exploring Icy Moons in Search of Life | Astronotes
• Kepler-11: a strange and crowded planetary system | Astronotes
• Neptune: discovered one year ago | Astronotes

... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

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• Kepler discovers 461 new planet candidates | Astronomy.com
• Would it be possible to find a moon around an extrasolar planet? If so, how? |
• Newly discovered planet in the Hyades cluster could shed light on planetary

... Search . ... Astrophysics Group . Research . ... Research and Instrumentation . ... While this seems an extraordinary endeavour, in light of what we have learnt about Solar System planets, only a handful of key ingredients are required to start characterising an exoplanet. ... The NGTS project is a partnership between the University of Cambridge, Queen?s University Belfast, University of Warwick, University of Leicester, Observatoire de Geneve, DLR (Berlin) and Universidad Catolica de Chile. ...

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... Image courtesy of Korea Astronomy and Space Science Institute . ... There are already 29 multi-planet extrasolar planetary systems discovered (including this last one), so what makes this particular system unique? ... International Year of Astronomy, Ireland National Node . ...

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• Planetary Systems Research at Armagh
• Armagh Observatory
• Asteroid 2004 MN4

... Grab them with an engaging question or give them something to do. ... Asking Engaging Questions: . What is an "Engaging Question?" An engaging question generates responses, interest, or discussion that relates to experiences or ideas people have had, rather than "testing" their knowledge. Wh y do we ask an Engaging Questions? ... Sharing the Universe is based upon work supported by the Informal Education Division of the National Science Foundation under Grant no DRL-0638873. ...

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• ASP: Responsible Exploration
• ASP: Family ASTRO: Take-Home Activities(Games and Kits for Families and...
• ASP: Astronomy in the News

... Many massive planets contrary to Jupiter have large eccentricities of orbits. ... Another problem is to study the conditions and boundaries of stable, regular motions of small mass planet in systems having `Jupiter' with large orbital eccentricity as well as properties of regular, stable, and irregular, chaotic motions. ... The regular eccentricity evolution described above demonstrates that stable quasi--circular orbits of small planet are unusual. ...

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• http://www.ipa.nw.ru/conference/2002/sovet/PS/GUSEV1.PS
• http://www.ipa.nw.ru/conference/2002/sovet/PS/URALE.PS
• Head Litter of Minor Planet Names

... They are responsible for the Viking CD-ROM set, which provided the raw data I have processed and used in the Mars and related pages. ... New York: Cambridge University Press, 1982. ... New York: Penguin Books, 1992. ... New York: Harper & Row, 3rd Edition, 1981. ... Simon, Seymour. ... New York: William Morrow and Company, Inc, 1992. ... Mars . New York: William Morrow and Company, Inc, 1987. ... New York: William Morrow and Company, Inc, 1985. ... New York: William Morrow and Company, Inc, 1991. ...

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• New Satellites of Saturn
• Voyager
• The Discovery of the Galilean Satellites

... Listed below are questions submitted by users of "The Exploration of the Earth's Magnetosphere" and the answers given to them. ... The ones included below are either of the sort that keeps coming up again and again--the danger of solar eruptions, the reversal of the Earth's magnetic field, etc.-- or else the answers make a special point, going into extra details which might interest other users. ... Radiation Belts and Manned Space Flight . ... Capturing the Energy of the Solar Wind . ...

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• The Path of the Sun, the Ecliptic
• Starships
• The Scale of the Solar System

Supernova 2009js in NGC 918 . This page is devoted to information on Supernova 2009js in NGC 918 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. Discovered independently by Lick Observatory Supernova Search (USA) and Koichi Itagaki (Japan). ... 2009/10/11.44 . 17.2 . ... Joseph Brimacombe . ...

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• Extragalactic Novae - 2002.
• Extragalactic Novae
• Extragalactic Novae - 2000.

... The Australian National University] [Department of Physics] [Paul Francis] [Main Roleplay Page] . These exercises are my attempt to adapt the technique of Problem Based Learning to the context of introductory astronomy and astrophysics classes. ... As students grapple with the puzzle, they are forced to learn the subject matter of the course. ... This exercise is designed for 1st year University students with a reasonable high-school background in Maths and Physics. ...

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• ASTR1002 Assignments 4-6: Planet Ziggy
• Siding Spring Survey
• Michele Bannister - PhD research

... What is a planet? ... When they finally came up with an answer it had big consequences: The number of planets in our Solar System went from nine to eight! ... Then, in 2005, astronomers found an object in the outer Solar System, called Eris, which they thought was bigger than Pluto. ... However, recently astronomers were able to measure the size of the dwarf planet Eris more accurately and they have discovered that it isn t bigger than Pluto after all they re actually about the same size. ...

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• Richest Planetary System Discovered | ESO
• Artist's impression of the newly discovered planetary system Gliese 581 | ESO
• Extrasolar Planet in Double Star System Discovered from La Silla | ESO

I'm glad you're interested in collaborating on the ConcepTests for Astronomy WWW database project! ... I'm looking forward to your contributions! ... a) high luminosity, high temperature to low luminosity, low temperature . b) high luminosity, low temperature to low luminosity, low temperature . c) high luminosity, low temperature to low luminosity, high temperature . d) high luminosity, high temperature to low luminosity high temperature. ... Back to Paul Green's Peer Instruction page. ...

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... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... Parkes | ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

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• Information on planets
• ASKAP discovers HI absorption in distant galaxy | Australia Telescope National
• On The Difficulty of Providing Hands-on Exercises in Astronomy

... Bad Astronomy . ... Bitesize Astronomy . ... The Nine Planets . ... It isn't the first extrasolar planetary system to be discovered; the first planet outside our own solar system orbiting a normal Sunlike star was discovered in 1995. ... Still, this is the first solar system ever found besides our own to definitely have more than one planet. This is an important discovery: most people all along have been assuming that multiple planet systems exist, but we had never actually seen one. ...

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• Phil Plait's Bad Astronomy: Info
• Phil Plait's Bad Astronomy: Mad Science
• Phil Plait's Bad Astronomy: Bitesize Tour of the Solar System