Zztrox-world-starter t1_iwyiny4 wrote on November 19, 2022 at 9:31 AM Reply to comment by WontStopAtSigns in Mars was once covered by 300-meter deep oceans, study shows by magenta_placenta That's an extremely small amount of water on planetary scales. For comparison, Earth's ocean are more than 3700m deep on average, yet it's still insignificant compared to other materials. Permalink Parent 1
Zztrox-world-starter t1_iqzms9r wrote on October 4, 2022 at 7:27 AM Reply to comment by doctorwhomafia in Gold coins hidden in 7th Century found in wall by BarKnight Maybe they just forgot Permalink Parent 13
Zztrox-world-starter t1_iwyiny4 wrote
Reply to comment by WontStopAtSigns in Mars was once covered by 300-meter deep oceans, study shows by magenta_placenta
That's an extremely small amount of water on planetary scales. For comparison, Earth's ocean are more than 3700m deep on average, yet it's still insignificant compared to other materials.