The colors of geology
Where does martian sand come from?
May 24, 2013Blue ribbon
June 7, 2013
A piece of Mars: Here in the bottom of a crater in Coprates Chasma is the intersection of two sets of ripples: dark, dust-free ripples at the bottom of the crater, and lighter ripples formed from debris that has come down the rim of the crater. (HiRISE ESP_030927_1675, NASA/JPL/University of Arizona)
1 Comment
If you want to look for life,geology is the Place to be.I believe that life here on earth came from somewhere else in our Universe,Maybe from Mars??? Best Regards,Dave:-) Duluth,Minnesota