Mosiac of photos of Mercury taken from Mariner 10 in 1974 110k gif ; 2000k gif ; 187k jpg . ... recently reprocessed mosaic 132k gif ( caption ) . Mariner 10 mosaic 488k gif . another Mariner 10 mosaic 690k gif . another mosaic 24k jpg . ... Caloris Basin 319k gif ; 238k jpg ; 292k gif ; 3000k gif ; 108k jpg . ... Southwest Mercury 31k jpg ; 1000k gif ; 488k gif . Hills of Mercury 127k jpg ; 185k gif ; 614k gif . ... Degas, a rayed crater (Mariner 10) 439k gif ( caption ) . ...

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• Neptune Picture List
• Seeing the Solar System

... 2008 November 17 . HR 8799: Discovery of a Multi-planet Star System . ... Explanation: How common are planetary systems like our own Solar System? In the twelve years previous to 2008, over 300 candidate planetary systems have been found orbiting nearby stars. ... Although the HR 8799 planetary system has significant differences with our Solar System, it is a clear demonstration that complex planetary systems exist, systems that could conceivable contain an Earth-like planet . ... About APOD | ...

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• APOD: 2000 August 10 - Other Worlds and HD 38529
• APOD: January 30, 1996 - 70 Virginis b: A New Water Planet?
• Neptune Picture List

... HR 8799: Discovery of a Multi planet Star System . ... NRC Canada Explanation: How common are planetary systems like our own Solar System? In the twelve years previous to 2008, over 300 candidate planetary systems have been found orbiting nearby stars. ... Although the HR 8799 planetary system has significant differences with our Solar System, it is a clear demonstration that complex planetary systems exists, systems that could conceivable contain an Earth-like planet . ... Planets Ahoy . ...

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• XWare > APOD

Most of these images were obtained by Mike Bessell, Michelle Buxton, Hwankyung Sung, Ralph Sutherland and Bob Watson at SSO using a 2Kx2K Site CCD behind a Nikon or Hasselblad lens or directly on the 1m telescope. A few images are from the Hubble Space Telescope. Some of the M42 images were obtained with the KPNO 1m and ESO NTT telescope. One image is a mosaic of IRAS images. ... Details of the CCD imaging program at MSSSO. ... antenna.jpg (53KB) . ... ngc6744.jpg (59KB) . ...

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• Planet Pictures
• Astronomy Pictures

... 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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• Bright planets meet at dusk | Astronomy.com
• New discoveries, new destinations | Astronomy.com
• Morning planet spectacular | Astronomy.com

Astronotes Armagh Planetarium's Stellar Blog! ... Planets . ... Our Galaxy . ... Weird and Fun . ... It came from another galaxy: This artistтАЩs impression shows HIP 13044 b, an exoplanet orbiting a star that entered our galaxy from beyond. ... HIP 13044 is one of tens of millions of stars in the тАЬHelmi streamтАЭ, stars that belonged to a dwarf galaxy consumed by our own Milky Way galaxy, some six to nine billion years ago. ... Tweets that mention ESO finds weird doomed planet from another galaxy | ...

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• The bluffer?s guide to Saturn | Astronotes
• chthonian planets | Astronotes
• How do galaxies form? - New discovery from European Southern Observatory |

... 2010 . ... The following images are mosaics obtained on 03 August 2010 at the National Solar Observatory/Dunn Solar Telescope with the Interferometric Bidimensional Spectrometer (IBIS). ... The final images are approximately 238 x 242 arcseconds, or 4 x 4 arcminutes, with a pixel scale of 0.0976 arcseconds per pixel. ... The images show a broad range of typical chromospheric structures, including sunspots, superpenumbra, plage, filaments, and quiet internetwork. ...

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• Arcetri Astro-Picture collection Arcetri Astro-Pictures Collection
• APOD: November 19, 1999 - Mercury And The Sun
• APOD: March 25, 1999 - March of the Planets

3) Planets and Brown Dwarfs . ... By its nature, this method is most sensitive to massive planets orbiting close to their stars. ... That means that some of the more massive extrasolar planets could actually be brown dwarfs (although the statistics of the finds suggest that most of them are not). ... Another possible difference between brown dwarfs and massive planets is how they are born. ... They would base the fundamental definition on the mode of formation: a planet is built from planetesimals. ...

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• ASP: Picture an Astronomer
• ASP: The Return of Halley's Comet
• ASP: Now, Voyager

... Science User Portal . ... ESO, the European Southern Observatory . ... ESO's Governing Bodies . ... Travel and Contacts . Travel to ESO Headquarters . ... Travel to E-ELT Armazones . ... Survey Telescopes . ... Star Clusters . ... Stars@ESO . ... ESO Science Newsletter . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... Wide view centred on the CatтАЩs Paw Nebula (NGC 6334). ... Cat's Paw Nebula , Digitized Sky Survey 2 (DSS 2) , NGC 6334 . ...

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• The composition of a star that should not exist | ESO
• The hidden fires of the Flame Nebula* | ESO
• Gegenschein above the VLT * | ESO

... Radio Astronomy at Dover Heights . ... Dover Heights in the eastern suburbs of Sydney was the site of remarkable discoveries in radio astronomy in the post-war years. ... Since the first discoveries at Dover Heights of radio emission from distant galaxies, radio waves have been used to explore the entire cosmos, from the Sun and planets in our solar system, to stars and gas in our Galaxy, and beyond to other galaxies and the most distant reaches of the Universe. ... today * ATNF | ...

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... Another piece of asteroid discovery news, from Terry Moseley: "Dave Grennan from Dublin has just discovered a Main Belt asteroid from his observatory in Raheny. ... Dave's discovery comes just after Dave McDonald's find of 2008 TM9 a few weeks ago. ... This is only the third asteroid ever discovered in Ireland. ... This has been an amazing year for astronomy in Ireland, and is a superb lead-in to IYA 2009!" ... International Year of Astronomy, Ireland National Node . ...

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• Objects in the Sky
• Planetary Systems Research at Armagh
• Armagh Observatory

... Bad Astronomy . Misconceptions . ... I have a fun video on how to stand an egg on end on my blog at Discover Magazine . ... At the end of the show, one of the characters looks up the words "egg" and "equinox" on the web... and says it sent him to "thingsthatarewrong.com". ... Bad Astronomy : Only on the day of the Vernal (spring) Equinox, can you stand a raw egg on its end. Good astronomy : If you can stand a raw egg on end, it has nothing to do with the Equinox. ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Bad News
• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: The Amazing Meeting

... 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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• (Untitled)

. Max Mutchler . Space Telescope Science Institute . 3700 San Martin Drive . Baltimore, Maryland 21218 . Operated by AURA for NASA . Discovery images from May 2005 . Announcement on 31 Oct 2005: IAU Circular 8625 , NASA . Descriptive articles: Picture of the Day , Planetary Society , Scientific American , CNS newswire , Florida Tech Today , San Antonio , NPR audio and transcript . Visualize this "quadruple planet" with Celestia . See formal publications for more

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• John H. Debes
• Making HST Pictures: Illustrations
• XO Project

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . Login . See many more Astronomy Listings by: Category or Alphabet . ... Listed Since July 15, 1998 . ... Web Site . ... However, you must Login to submit a comment. ... Web . www.astronomy.net . About Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

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• Hubble.site, AstroGuide Listing
• The Navy Prototype Optical Interferometer - an Astronomy Net Article
• NASA's Observatorium, AstroGuide Listing

The Space Shuttle Discovery is pictured here docked to the Destiny laboratory of the International Space Station. It's going to be hard to top this mission," NASA Administrator Michael Griffin said. ... The crew got phone calls from two world leaders. ... Commander Eileen Collins and the crew of the STS-114 mission, Jim Kelly, Charlie Camarda, Wendy Lawrence, Steve Robinson, Andy Thomas and Soichi Noguchi of Japan, landed at Edwards Air Force Base, Calif., at 7:11 a.m. CDT on Aug. ...

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... Our friends from Chile send us wonderful description of planet they found on their way to blue planet. ... Shambala, planet of highly developed creatures. ... Picture 1) We investigated and found wonderful caverns with pictures that showed high development in all disciplines: Music, Art, Poetry, Singing, Astronomy, Mathematics, Language, Geometry, Grammar; Science and Technology. ... Picture 4 Dark creatures who destroyed their own lives and the planet development attracting disaster. ... Chile. ...

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• Curiosity
• Chile

My wife and I went to Mohican State Park the weekend just before our first anniversary (April 7th). That Saturday, we went hiking and took some pictures. It was a good hike, with some difficult parts. my wife holding the camera . a crevice with a tiny waterfall, that opens up into a big valley . the tiny creek flowing into the crevice . more crevice . ... my wife taking a (non-digital) picture . another tiny waterfall flowing over a wide cliff . ... the lake by our lodge . ...

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• activities
• The AstroStat Slog Big Picture
• The AstroStat Slog Blog Archive The Big Picture

... More on 51 Peg: . The discovery of a Jupiter--mass planet in orbit around the solar--type star 51Peg has been reported by Michel Mayor and Didier Queloz (Geneva Observatory) on October 6th at the 9th Cambridge workshop on "cool stars, stellar systems, and the sun" held at Florence (Italy). ... Recall that the measurements of radial velocity only yield v sin i which in turn gives us M sin i. For most values of i, sin i will be greater than 0.5 and this gives a mass estimate of 0.5 Jupiter masses. ...

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• The Galaxy Gallery: Messier Objects
• Astronomy Plus CCD Images of Galaxies
• The Three Planet System

... A discussion of retrograde motion of planets helps the students understand the logic underlying the ideas of both Ptolemy and Copernicus. ... This lesson plan supplements: "The Discovery of the Solar System," section #9c: on disk Ssolsys.htm , on the web . ... Learn about the system proposed by Copernicus, and the way it explained retrograde motion: all planets moved in circles around the Sun, but the ones closer to the Sun always moved faster. ... Did this predict correct planetary motions? ...

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• The Discovery of Atoms and Nuclei
• Space Research Institute (IKI) Seminar
• Discovery of the Solar System