About Lori Fenton
Lori Fenton
Cosmic Diary Network
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Exoplanets
Solar System
06
November 6, 2017
Published by
lfenton
at
November 6, 2017
Categories
HiRISE images
Black and tan
A Piece of Mars: Dunes in the top row in this 0.73×0.47 km (0.46×0.29 mi) scene are dark but those in the lower row are brighter. Why? They’re all probably made out of the same kind of sand, which is
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