Mars was once covered by 300-meter deep oceans, study shows sciencedaily.com Submitted by magenta_placenta t3_yymoqt on November 18, 2022 at 3:24 PM in space 144 comments 822
No_Formal_8697 t1_iwx8le1 wrote on November 19, 2022 at 1:12 AM Remember when we made a spaceship that looked like a moon and then came here and terraformed Earth after we got attacked on Mars? Permalink 3
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