The water vapor escaping Mars could tell us about the Red Planet's past
After Perseverance touches down tomorrow, what is found in the reddish dust of Mars may tell the rover (and some really anxious scientists back on Earth) why its atmosphere vanished or if Jezero crater really was a lake, but what is coming out of Mars may also reveal things about the Red Planet’s distant past. Though water is already known to exist on the surface of Mars, but this is the first time scientists have discovered water vapor in the Martian atmosphere. Most of its water is in ice caps or underground, but some vaporizes straight into the air by sublimation. The hydrogen from that ...
Source: syfy.com