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| Dawn spacecraft arrived at Ceres! |
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| Dawn spacecraft made history - first to a dwarf planet, first to orbit two worlds beyond Earth - when it successfully slipped into orbit around Ceres on Friday. |
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| Slushy wave off coast of Nantucket |
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| Sure, the ocean freezes. But this photo of partly frozen waves - caught by photographer and surfer Jonathan Nimerfroh - fascinated even the experts. |
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