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All Articles Tagged As: stardust
New results from the Stardust space probe, which collected dust from the tail of a comet and returned it to Earth, show material similar to that found close to the sun rather than pristine material left over from the formation of the solar system.
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 | University of Arkansas researchers are receiving a grant to examine material from a comet sample brought back to Earth from outer space. They will try to determine its composition and age. This work will provide new insights into the formation and history of comets. ...> Full Article |
 | Contrary to expectations for a small icy body, much of the comet dust returned by the Stardust mission formed very close to the young sun and was altered from the solar system's early materials. ...> Full Article |
 | Samples of the material picked up during the NASA Stardust mission indicate that parts of the comet Wild 2 actually formed in an area close to the sun. ...> Full Article |
 | Four years ago, NASA's Stardust spacecraft chased down a comet and collected grains of dust blowing off its nucleus. When the spacecraft Comet Wild-2 returned, comet dust was shipped to scientists all over the world, including University of Minnesota physics professor Bob Pepin. After testing helium and neon trapped in the dust specks, Pepin and his colleagues report that while the comet formed in the icy fringes of the solar system, the dust appears to have been born close to the infant sun and bombarded by intense radiation from these and other gases before being flung out beyond Neptune and trapped in the comet. ...> Full Article |
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