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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Mars’ northern polar regions in transition


Related images(click to enlarge) A newly released image from ESA‘s Mars Express shows the north pole of Mars during the red planet’s summer solstice. All the carbon dioxide ice has gone, leaving just a bright…

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