Wednesday 18 October 2017

Study shows how water could have flowed on 'cold and icy' ancient Mars

Study shows how water could have flowed on 'cold and icy' ancient Mars

For scientists trying to understand what ancient Mars might have been like, the red planet sends some mixed signals. Water-carved valleys and lakebeds leave little doubt that water once flowed on the surface. But climate models for early Mars suggest average temperatures around the globe stayed well below freezing.

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