New Images Reveal Clouds on Planet Uranus
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New images of the planet Uranus reveal more diversity in cloud features than ever seen before.
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The Cassini spacecraft&#39;s cameras revealed sharp but puzzling pictures of Saturn&#39;s moon Titan that captivated planetary scientists Tuesday night as the first-ever close-ups
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New images obtained by a sharp-eyed Martian satellite reveal that some Red Planet features once thought to have been carved by flowing water were in fact created by other processes.
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Scientists have long thought thick clouds over Saturn&#39;s moon Titan rained methane through smoggy skies. Some believed the liquid pooled on the planet&#39;s surface, perhaps forming lakes or seas reminiscent of Earth&#39;s.
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Planets are built over a long period of massive collisions between rocky bodies as big as mountain ranges, astronomers announced today. New observations from NASA's Spitzer Space Telescope reveal surprisingly large dust clouds around several stars.
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Images of Saturn sent back to Earth by the Cassini spacecraft reveal a newly discovered ring and at least one new moon, scientists say.
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An embryonic star, just beginning its life as the center of a planetary system, is apparently deluged with massive rainfall as icy material vaporizes and refreezes. Astronomers are observing one such star in a nebula about 1,000 light years from Earth with the Spitzer Space Telescope.
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PASADENA, Calif.  - The world got its first look  at the surface of the Saturnian moon Titan on Friday when  pictures from the European space probe Huygens showed a  possibly rocky surface with "drainage channels" for liquids.
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NASAâs Messenger spacecraft has captured a new view of the planet Mercury.
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By Seth Borenstein THE ASSOCIATED PRESS  WASHINGTON -- The first "sniffs of air" of two huge far-away planets reveal that they seem to be missing water, a surprising finding amid weather unlike any planets in our solar system with blast furnace-like gusts amid supersonic winds.
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Astronomers detect a torrent of water ice pelting an embryonic star system.
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NASA&#39;s Mars rovers have returned new evidence for past water, pictures of Earthlike clouds seen for the first time from the planet&#39;s surface, and a rock that doesn&#39;t look like anything scientists have ever seen.
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Astronomers find water in the atmosphere of a giant planet outside our Solar System.
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Astronomers have produced some amazing pictures using a remarkable new instrument on the United Kingdom Infrared Telescope in Hawaii.
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Ice particles are key players in the ever-changing panorama at Saturn, according to a new study led by a University of Colorado at Boulder professor using an instrument on the Cassini-Huygens spacecraft now at the ringed planet.
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The surface of one of the brightest stars in the night sky is imaged by scientists.
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Astronomers have discovered a new class of planets outside the solar system that hug their parent stars so tightly they take less than a day to complete an orbit.