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At the Edge of Darkness
Filed under pretty pictures, Mercury, MESSENGER
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The MESSENGER spacecraft returned this close view of Petronius Crater near the north pole of Mercury. The floor of the 36-km crater, which never sees the sun, hides deposits of water ice.
NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
This image is in the public domain. Original image data dated on or about February 19, 2013
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