About Lori Fenton
Lori Fenton
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Exoplanets
Solar System
24
May 24, 2013
Published by
lfenton
at
May 24, 2013
Categories
HiRISE images
Where does martian sand come from?
A piece of Mars: The source of dune sand on Mars is normally something of a mystery. But here on the interior wall of a small crater it appears that small gullies have eroded sediment from the wall and carried
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