Mars Was Once a World of Rain

Mars Was Once a World of Rain
By Mark Thompson (https://ift.tt/KQzIVWw)

Mars today is a frozen, barren world where liquid water can briefly appear on its surface but evaporates almost instantly in the thin atmosphere, unable to persist in any meaningful quantity. But a handful of pale, bleached rocks spotted by NASA's Perseverance rover are telling a very different story about the planet's past, one of tropical downpours, sodden landscapes, and conditions that might once have been hospitable to life.

March 30, 2026 at 01:49PM
via read more...