Caltech: Astronomers find ice and possibly methane on Snow White, a distant dwarf planet


Related images (click to enlarge) Astronomers at the California Institute of Technology (Caltech) have discovered that the dwarf planet 2007 OR10 — nicknamed Snow White — is an icy world, with about half its surface…

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SOHO watches a comet fading away


Related images(click to enlarge) On Nov. 4, 2010, NASA‘s EPOXI spacecraft came within 450 miles of Comet Hartley 2, a small comet not even a mile in diameter, which takes about six and a half…

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