Bruce Murray Space Image Library
At the Edge of Darkness
Filed under pretty pictures, Mercury, MESSENGER
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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