... Saturn from Above . ... This image of Saturn could not have been taken from Earth. No Earth based picture could possibly view the night side of Saturn and the corresponding shadow cast across Saturn's rings. ... Triton: Neptunes Largest Moon . ... So, looking toward the Sun, extreme ultraviolet cameras onboard STEREO B were able to record a stunning movie of a lunar transit (aka solar eclipse), as the Moon tracked across the solar disk. ... Stars, Dust and Nebula in NGC 2170 . ...

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... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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... Armagh Planetarium . ... Universe . ... Posted on July 3, 2012 | 17 Comments Mankind is responsible for numerous achievements in technology, arts and science.However, how much can this attributed solely to the human mind or is there another reason man has achieved such [ ] . ... Newer Entries . Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• Astronotes | Armagh Planetarium's astronomy news from across the Universe
• M55 globular cluster seen by ESO | Astronotes

... 2012 January 11 . Little Planet Lovejoy . ... Explanation: Once a bright apparition in the southern hemisphere dawn Comet Lovejoy is fading, but its long tail still stretches across skies near the south celestial pole. Captured on the morning of December 30th, the comet appears near edge of this little planet as well. Of course, the little planet is actually planet Earth and the image was created from a 12 frame mosaic used to construct a spherical panorama . ... About APOD | ...

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• APOD: 2010 December 2 - Hartley 2 Star Cluster Tour
• APOD: 2008 December 3 - A Happy Sky Over Los Angeles
• APOD: 2009 December 15 - A Fading Moonset Over Hong Kong

... Tonight's Sky . ... Observing . ... Sky this Month . ... Astronomy for Kids . ... Can you explain Mercury's retrograde motion? Do other planets appear to do this also? ... When astronomers talk about retrograde motion, generally they refer to the apparent motion outer planets make as Earth passes them while orbiting the Sun. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Jupiter joins Venus in the early evening | Astronomy.com
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• Jupiter brightens the December sky | Astronomy.com

... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

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... More than 100 circumstellar gas clumps with ionized rims have been detected by HST studies of the Orion Nebula H II region (O'Dell & Wong 1996). Seven additional objects appear as dark oval silhouettes seen against background nebula light (McCaughrean & O'Dell 1996); these are very likely to be protoplanetary disks seen in absorption. ... Eight fields were observed in H and I-band continuum in the nearby H II regions NGC 2024, NGC 2264, and S155. ...

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• HST this week: 343
• HST this week: 363
• HST this week: 337

... galaxies: bulges galaxies: clusters: general galaxies: clusters: individual: . ... star formation statistics stellar content structure Cosmology ( cosmology :) cosmic background radiation ( cosmology :) cosmological parameters cosmology : miscellaneous cosmology : observations cosmology : theory ( cosmology :) dark ages, reionization, first stars ( cosmology :) dark energy ( cosmology :) dark matter ( cosmology :) diffuse radiation ( cosmology :) distance scale ( cosmology :) early Universe (...

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... Planet Ziggy seems to be located in the outer regions of an elliptical galaxy, or perhaps in a globular cluster orbiting such a galaxy. ... We have not been able to detect any spiral galaxies elsewhere in the sky. ... Iif they are too small for their gravity to achieve this. force holding the two objects together ­ strongly suggests that these objects are Page 1 The Milk Stain No milky-way is seen. ... We are calling it the Milk Stain. This could be an elliptical galaxy or a globular cluster. ...

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• ASTR1002 Assignments 4-6: Planet Ziggy
• Dougal Mackey - Research

... Bringing news from across the Universe to children all around the world . ... It contains billions of awesome objects including planets, dust clouds, galaxies and star clusters like the one in this photograph. ... Charles Messier s life dream was to become famous. To do this, he needed to discover a comet. ... So he decided to save himself some time and each time he found an object that didn t move across the sky (as comets do), he noted it down. ...

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• http://www.eso.org/public/news/eso1246/kids/
• http://www.eso.org/public/news/eso1250/kids/
• Panning across the globular star cluster Messier 4 | ESO

Armagh, 2nd May 2002. Saturn and Mars are at the top left, Venus is the very bright object and Mercury appears through the clouds. ... All five planets visible to ancient astronomers can now be seen in alignment in the western sky. ... Next is Venus, the brightest planet or "Evening Star", followed by Mars, a much fainter red planet, then Saturn (near the red star Aldebaran, the brightest star in Taurus), and finally, slightly higher in the sky, the largest planet Jupiter. ...

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• The Twins' Meteors, Geminid Meteors
• Armagh Observatory Saturn Black Drop
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Astronomy Discussion Forums . ... Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... New model: How do the Sun and Moon appear to move across the sky - mito111 - September 15, 2011 - 04:22 UTC . ... Note the change - rick_crockett - April 19, 2007 - 09:38 UTC . ... A Question Regarding Photons and Absolute Zero - inalitalllane - December 25, 2004 - 22:06 UTC . ... Virtual Space Agency - dupagepilot - November 18, 2003 - 12:03 UTC . ... www.astronomy.net . ...

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• Three Planets - an Astronomy Net Christstar Forum Message
• Astronomy articles, forums, listings, and other resources about Astronomy.

New Satellites of Saturn . On July 26, 1995, Amanda Bosh of Lowell Observatory announced the discovery of at least two and perhaps four new satellites of Saturn . The discovery was based upon images taken by the Hubble Space Telescope on May 22, 1995, when Saturn's rings were tilted edge-on to the Earth . ... The two satellites S/1995 S1 and S2 lie inside Saturn's thin, eccentric "F" ring . ... The fourth satellite S/1995 S4 is 6,000 kilometers (3,700 miles) beyond the F ring. ... S/1995 S 3 . ...

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• APOD: December 13, 1997 - The Coma Cluster of Galaxies
• Arcetri Astro-Picture collection Arcetri Astro-Pictures Collection
• Astronomy Picture of the Day

Stellar Clusters are very useful laboratories for empirically studying stellar evolution. ... All cluster stars are at the same distance . All cluster stars have the same physical age . ... CM diagram Young Cluster In this case we see the Main Sequence fully represented. The blue dots represent massive stars with short main sequence lifetimes. ... Thus, identifying the most massive star which is still on the main sequence is an effective means of determining the age of a stellar cluster. ...

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... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... SUBJECT: 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... which will be held in Beijing, P.R. China, from August 25-29, 2014, hosted by Chinese Academy of Sciences . ... China), . ... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. ...

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[ CATS home ] [ Back to CATS list ] [ ftp ] . 1986USydn.T00J....Reynolds

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... Home Articles Best Celestial Events of 2006 . ... Clear Sky Chart . ... Beyond New York City . ... Best Celestial Events of 2006 . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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... In typical nightly use, the wide field and planetary telescope and cameras record images of favorably placed objects in the sky, including constellations, bright variable stars, nebulae through narrow-band filters, comets, the Moon, and planets. ... Shared Skies telescopes are available for use by students at the University of Louisville and the University of Southern Queensland, and by teachers and students in middle and high schools mentored by faculty at the universities. ...

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• Index of /shared_skies/archive/select/planets/saturn/20110405
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• Index of /shared_skies/archive/select/planets/saturn/20140330

... It was NASA's first mission entirely dedicated to astrobiology, a science that draws on knowledge from many disciplines to search for alien life. ... We didn't know what we were going to find," says Alan Gould, Director of the Lawrence Hall of Science in Berkeley and a Kepler Co-Investigator. ... But we really did not know." If you enjoyed this excerpt from a feature article and would like to receive our quarterly Mercury magazine, we invite you to join the ASP and receive 4 issues a year. ...

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• ASP: Taking a Grand Virtual Voyage in the Milky Way
• ASP: A Good Definition of the Word "Planet": Mission Impossible?
• ASP: Sharing the Universe

Tuesday, 4 December 2012 Special Session 09:30 09:35 10:00 10:15 Welcome Fred Watson: Great Collaborations in Astronomy Daniel Bayliss: Characterising Exoplanets Graeme Salter: Direct Imaging of Anglo-Australian Planet Search Candidates Session 1: Stars & Planets > Coffee Break 11:00 11:15 11:30 11:45 12:00 12:15 Charles Kuehn: RR Lyrae in the LMC: Insights Into Milky Way Formation and the Oosterhoff Dichotomy Francesco Di Mille: The Giant Jet of the Sanduleak's star. ...

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• http://www.atnf.csiro.au/research/conferences/2012/boltonsymp/programme_v5.pdf
• http://www.atnf.csiro.au/research/conferences/2012/boltonsymp/programme_v4.pdf
• http://www.atnf.csiro.au/research/conferences/2012/boltonsymp/programme.pdf