Asteroid Impacts Could Have Warmed Ancient Mars April 25, 2023, 08:33:33 AM Asteroid Impacts Could Have Warmed Ancient Mars[html]Hydrogen released during large impacts might have boosted Mars’s surface temperature above freezing for thousands or even millions of years, enabling liquid water to flow over the Red Planet.[/html]Source: Asteroid Impacts Could Have Warmed Ancient Mars (http://ht**://www.discovermagazine.c**/the-sciences/asteroid-impacts-could-have-warmed-ancient-mars) Quote Selected