... Star Size Comparisons . ... What's visible in the night sky during this time of year? To help illustrate the answer, a beautiful land, cloud, and skyscape was captured earlier this month over NeuchБtel, Switzerland. Visible in the foreground were the snow covered cliffs of the amphitheater shaped Creux du Van, as well as distant trees, and town-lit clouds. ... The North America Nebula in Infrared . ... The North America Nebula can do what most North Americans cannot -- form stars. ...

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... ESO is building what will be the World's largest optical telescope array, The Very Large Telescope (VLT). The VLT Project organisation is responsible for the design and construction of the Unit Telescopes, including enclosures, optics, adapter-rotators and coating unit. ... Unit Telescopes Overview - This page is outdated, an update is in process. ... Secondary mirror (M2 Unit) - This page is outdated, an update is in process. ... Coating Unit - This page is outdated, an update is in process. ...

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• First Rotation Period of Kuiper Belt Object Measured (ESO PR Photo 41/98)

... 2006 May 10 . The Large Cloud of Magellan . ... As a result, two fuzzy cloud-like objects easily visible for southern hemisphere skygazers are known as the Clouds of Magellan . Of course, these star clouds are now understood to be dwarf irregular galaxies, satellites of our larger spiral Milky Way galaxy. The Large Magellanic Cloud (LMC) pictured above is only about 180,000 light-years distant in the constellation Dorado . ... About APOD | ... NASA Official: Jay Norris. ...

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• APOD: 2004 September 2 - The Large Cloud of Magellan
• APOD: 2008 December 19 - The Large Cloud of Magellan
• APOD: 2010 October 16 - The Large Cloud of Magellan

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... According to Ron Miller, author of the respected history of spaceship concepts The Dream Machines , the first known appearance of the tale in print was in the 2 October Тљ1909 issue of Scientific American where the hero was named т??Wang Tuт?? ... Naming a crater after Wan Hu т??the legendary Chinese inventorт?? was proposed shortly after the Soviet probe Zond 3 flew past the Moon in July 1965 returning images of the Moon?s western farside. ...

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• Kepler 36b and c: Too Close for Comfort | Astronotes

... A dynamo is created in a magnetic field by an electric circuit, part of which is moving relative to the rest (additional conditions must also be met). ... Furthermore, the plasma between them conducts electricity very well along its magnetic field lines, which act as if they were wires connecting Io and the planet (drawing). ... The drawing is not to scale. ... The Hubble Space Telescope , using its Wide Field and Planetary Camera 2, has been photographing auroras of the planet Jupiter. ...

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• The Sun -- History
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... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... 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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• large magellanic cloud | Astronomy.com
• Why does Mercury have such a large core? | Astronomy.com

The planets Jupiter and Venus will make an apparent close approach to each other on the early morning of Friday, 5th November. When Jupiter rises above the eastern horizon at 4.07 a.m. for Northern Ireland viewers, it will be just about one Moon-width away from the much more brilliant Venus. ... In reality, a vast distance will separate the planets. ... FOR FURTHER INFORMATION CONTACT: John McFarland at the Armagh Observatory, College Hill, Armagh, BT61 9DG. ...

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... The Large Magellanic Cloud is a Dwarf Irregular galaxy in orbit around our own Milky Way. It is a large object, several degrees in size, and easily visible to the unaided eye in Southern Hemisphere skies. The LMC is located in the constellation of Doradus at about 5h30m Right Ascension, -68 degrees Declination, and lies at a distance of roughly 50 kiloparsecs (160,000 light years) from Earth. ...

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• Diffuse Galactic Light in the Large Magellanic Cloud
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PhD Thesis (PDF) . ... The evolution of stars and gas in galaxies. Observing the atomic neutral hydrogen (HI) 21 cm emission and radio continuum emission of galaxies. ... The goal of research is to quantify the neutral atomic hydrogen (HI) gas content galaxies as they evolve with time. ... Neutral atomic hydrogen gas produces a radio signal that can be used to directly measure the amount of gas present. ... USyd Summer Research Scholarship Report (PDF) . ... Research Topic Write Up (PDF) . ...

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• Michele Bannister - PhD research
• Large Magellenic Cloud
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. INFRARED PROCESSING AND ANALYSIS CENTER

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... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The Large Magellanic Cloud is a companion galaxy to our own Milky Way. ... In this image, which shows the neutral hydrogen gas content, the Large Magellanic Cloud is surprisingly circular in overall shape (in visible light, it is rather irregular). ...

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• Large Magellanic Cloud
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• Multi-Wavelength View of the Interstellar Medium in the Large Magellanic Cloud

... Advantages of a Larger Aperture for TPF-C Can Search More Stars to Greater Distances (~D3 ) Faster Survey, More Time for Follow-Up Sensitive to Planets in Habitable Zone of More/Fainter Stars Smaller Inner Working Angle (at Fixed Wavelength) Lower Mass Stars , Fewer Visits /Star for Significant Null Result, Improved Orbits, Efficient Recovery on Future Visits TPF-C Observability of ...

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• http://www.stsci.edu/~mutchler/documents/Geotimes_Pluto.pdf
• The Large Magellanic Cloud's Largest Molecular Cloud Complex: Spitzer Analysis
• The Mass-loss Return from Evolved Stars to the Large Magellanic Cloud. II. Dust

... Neptune is smaller in diameter but larger in mass than Uranus . ... N eptune has been visited by only one spacecraft, Voyager 2 on Aug 25 1989. ... A t the time of the Voyager encounter, Neptune's most prominent feature was the Great Dark Spot (left) in the southern hemisphere. ... Neptune's winds blew the Great Dark Spot westward at 300 meters/second (700 mph). ... L ike Uranus and Jupiter, Neptune's rings are very dark but their composition is unknown. ... Neptune's Ring System . ... Uranus .. ...

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• The Io Dynamo
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... There has been a heated public discussion in the past few years about whether our ninth planet is really deserving of the name. Since Pluto orbits a star, and is much less luminous, it certainly satisfies the definition we have above. The problem is actually not with Pluto, but with a very large number of other bodies in our Solar System which also satisfy this definition, but which are not called planets. Perhaps the most notable of these is Ceres, the largest asteroid. ... Planet . ...

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• ASP: Taking a Grand Virtual Voyage in the Milky Way
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• ASP: The Comet About to Smash into Jupiter

... 8, ``Celestial Mechanics'', 2002 Formation and migration of trans -- Neptunian objects S. I. Ipatov 1;2 1 Institute of Applied Mathematics, Moscow, Russia 2 NASA/GSFC, Greenbelt, USA We support the Eneev's idea [1] that the largest (with diameter d?100 km) trans ­ Neptunian objects ( TNOs ) moving now in not very eccentric orbits ... The total amount of water delivered to the Earth during the formation of the giant planets was about the mass of water in the Earth's oceans. ...

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• http://www.ipa.nw.ru/conference/2002/sovet/PS/SOKOL_L.PS
• Keywords_39

... From the chain visibility point of view, it is very recommended to look at the Javascript movies , especially if the frame rate can be not regulated in your MPEG player. ... The non-CH-associated large-scale chains visible on the SOHO/EIT images at three wavelengths of 171, 195 and 284 as well as on the MLSO/HAO He I 10830 spectroheliogram of December 16, 1997. ... The SOHO/EIT movies at 171 and 195 show the chain dynamics on June 1-3, 1998. ... Javascript movie (230 KB), SOHO/EIT, 171 . ...

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• Oct-Nov 2003
• Oct-Nov 2003: CORONAS-F/SPIRIT and SOHO/EIT Data
• November 2004

... Cloud" CALDWELL 14 MESSIER 34 MESSIER 45 CALDWELL 41 DEEPSKY "Large Mag. Cloud MESSIER 79 MESSIER 38 MESSIER 42 MESSIER 36 MESSIER 37 MESSIER 35 SAO 234480 MESSIER 41 MESSIER 44 CALDWELL 53 CALDWELL 92 NGC 3377 CALDWELL 91 NGC 4261 MESSIER 68 CONSTELLATION Coma Berenices CALDWELL 99 CALDWELL 94 CALDWELL 77 CALDWELL 80 MESSIER 51 MESSIER 04 MESSIER 13 MESSIER 92 MESSIER 06 MESSIER 07 MESSIER 08 ... This is" "short for 'Quasi stellar objects.' ...

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• Meade Instruments Corporation - What You Can See
• Meade Series 4000 Photo-Visual Color Filters

. Highlights (early results) . There are a lot of achivements. Let's try to enumerate and describe some of them: . Nov, 2004

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• Marginal nights
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... 142,800 Mean density (kg/m^3) .. ... 5.203 Rotation period (length of day in Earth hours).. 9.8 Revolution period (length of year) (in Earth years). 11.86 Obliquity (tilt of axis) (degrees).. 3.08 Orbit inclination (degrees).. 1.3 Orbit eccentricity.. 0.048 Mean surface temperature (K)........................ 120 (cloud tops) Visual geometric albedo.. 0.44 Atmospheric components.............................. 90% hydrogen, 10% helium, .07% methane Rings.. ...

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• U of O High Energy Physics Seminars
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... Today this year's largest group of sunspots will cross the Sun's central meridian. ... The next day, the number of spots in the group reached five, and the day after, on June 2nd, it was possible to count thirteen sunspots on solar disk, which had been clear prior to this. ... This year's two most powerful active areas, which passed across the solar disk at the beginning of May, 2009, are set to appear in the Sun's eastern sector in two days, on June 6th. ...

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• TESIS has recorded new sizeable mass ejections from the Sun's atmosphere
• Earth Seen By NASA's Moon Mapper On India's Chandrayaan-1 Spacecraft -