COLD, DAMP MARS MAY HAVE HOSTED AN ANCIENT OCEAN
Feb 24, 2022
2 minutes
Reported by Charles Q. Choi
ew 3D climate simulations of the planet’s ancient atmosphere and water suggest a liquid ocean once existed in the northern lowland basin of Mars. This ocean may have persisted even when average global surface temperatures were below freezing. Although present-day Mars is cold and dry, decades of evidence suggests the ancient surface was covered with rivers, streams
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