Scientists Find Solar System Like Ours
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It is the first planetary system that really looks like our own, with outer giant planets and room for smaller inner planets, astronomers say.
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A new class of planets has been  found orbiting stars besides our sun, in a possible giant leap  forward in the search for Earth-like planets that might harbor  life, scientists said on Tuesday.
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In a solar system thousands of light years away, a star about half the size of our sun is being orbited by two planets that seem like smaller versions of Jupiter and Saturn, astronomers report.
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LONDON - A large, icy rock at the edge of our solar system was warm at some point, a finding that suggests planetary processes like volcanic activity, astronomers say.
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NASA's Spitzer Space Telescope has captured for the first time enough light from planets outside our solar system, known as exoplanets, to identify signatures of molecules in their atmospheres.
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Astronomers find water in the atmosphere of a giant planet outside our Solar System.
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A team of astronomers from the US and the UK have obtained the clearest pictures from space ever taken.
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SAN DIEGO&nbsp;-- Astronomers are highly confident that they've taken the first photograph of a planet outside our solar system.
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The sun may have captured millions of asteroids from another planetary system during an encounter more than 4 billion years ago, astronomers report today.
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Squashed, fast and cool Scientists have taken the first ever pictures of the surface of an alien Sol-like sun.â¦
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Astronomers have discovered a planet that seems to have survived the puffing up of its home star, suggesting that Earth could survive the swelling of the Sun.
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A team of astronomers announced last week the discovery of some of the smallest planets yet detected beyond our solar system. The two newly discovered planets represent a new class of extrasolar planets, and
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The first ever analyses of comet dust are in, and they stand to revolutionize our understanding of the early solar system, scientists say.
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More than one-third of the giant planet systems recently detected outside our solar system may harbor Earth-like planets covered in deep global oceans that offer abundant potential for life, according to a new study by scientists associated with NASA's Astrobiology Institute.
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Advances in planet-hunting technology lead to the discovery of more planets -- plus seven brown dwarfs -- outside our solar system.
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European astronomers reported Thursday the discovery of a rocky &quot;super Earth-like object&quot; orbiting a nearby star much like our own sun.
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Studies confirm how sunlight alters the motion of bodies, such as asteroids, throughout the Solar System.