Ancient Mars Had Warm Weather And Rainstorms Before The Planet Turned Icy Scientists Say
The existence of ancient valley networks and lake deposits on the red planet indicate that liquid water was once abundant on the surface. However, scientists have not been able to agree on whether the climate was warm and wet, or cold and icy But now, findings presented at the Goldschmidt Geochemistry Conference in Barcelona on Monday by Briony Horgan have cast new light on Mars’ ancient climate, indicating that the Red Planet had one or more long periods dominated by rainstorms and flowing water, before the surface water froze....