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1/2/14
1:00 PM
11

Don't judge a book by its cover. Beauty is only skin deep. There are countless aphorisms about looking below the surface of things, because you never know what you might find — for instance, if you looked below the surface of the Earth, you might find lost civilizations, underground empires, and/or lots and lots of

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1/2/14
12:54 PM
4

On January 1, the Curiosity rover celebrated its 500th sol (Martian day) on Mars. A few days earlier, it snapped an incredible new photo of 18,000-foot Mt. Sharp. Here is the entire panorama, a mosaic created from several individual images taken by the Mastcam on Dec. 26, 2013 (Sol 494).

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