A recently released set of topography maps provides new evidence for an ancient northern ocean on Mars. The maps offer the strongest case yet that the planet once experienced sea-level rise consistent with an extended warm and wet climate, not the harsh, frozen landscape that exists today. eurekalert.org Submitted by Wagamaga t3_yexpcz on October 27, 2022 at 5:17 PM in science 35 comments 632
rainman213 t1_iu1w2cf wrote on October 27, 2022 at 10:59 PM So these will be the same tests aliens run on earth in a few thousand years to determine humans were here???? Permalink 4 [deleted] t1_iu2dpmi wrote on October 28, 2022 at 1:14 AM [removed] Permalink Parent 1
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