Gullies on the dunes of Russell Crater on Mars. Credit: NASA/JPL/University of Arizona | Universe Today

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2 Responses to “Gullies on the dunes of Russell Crater on Mars. Credit: NASA/JPL/University of Arizona”

1. Rick Ellis Says:
   January 9th, 2009 at 10:56 am e

   For a planet that is only 4,220 miles in diameter, the diversity of Mars' geologic features continues to astound.

   How tremendous it would be to stand in the shadow of Olympus Mons – - and just stare.

2. Angunnguaq Says:
   January 18th, 2009 at 1:52 pm e

   Well, that's good news. If there is ice, means there is water:)