Isidis Planitia
Revision as of 14:24, 18 November 2020 by Michel Lamontagne (talk | contribs) (Created page with "Isidis planitia is an ancient impact bassin, the third largest after Hellas and Argyre. Or the fourth if the entire Northern hemisphere of Mars is proven to be an impact stru...")
Isidis planitia is an ancient impact bassin, the third largest after Hellas and Argyre. Or the fourth if the entire Northern hemisphere of Mars is proven to be an impact structure.
Is is in the