Scientists are able to measure the rate of atmospheric and water loss and extrapolate back to deduce how thin atmosphere Mars' atmosphere might once have been, and how much water Mars may have had ...
Mars' Missing Atmosphere Could Be Hiding in Plain Sight Sep. 25, 2024 — New research suggests Mars' missing atmosphere -- which dramatically diminished 3.5 billion years ago -- could be locked ...
Mars’s atmosphere is primarily made of carbon dioxide ... until the continuous slow loss of carbon dioxide to space depleted the effectiveness of the dry ice thermal blanket.