Mars' ancient atmosphere may not have had much oxygen after all space.com Submitted by pecika t3_zss5vu on December 22, 2022 at 5:48 PM in space 146 comments 4,218
filipehenrique t1_j1c17jm wrote on December 23, 2022 at 4:35 AM Reply to comment by shindleria in Mars' ancient atmosphere may not have had much oxygen after all by pecika Another candidate for a great filter. Permalink Parent 45
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