An ESCAPADE to Mars, on the cheap
Planetary Radio: Space Exploration, Astronomy and Science
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We've Lost a Lot of Atmospheric Components on Earth
One bar is essentially atmospheric pressure at sea level on earth. So we're talking a lot of atmosphere right over the history of the planet. We also know that mars had a much thicker c o two atmosphere in its early history. But an understanding the chemical pathways that link oxygen, carbon monoxide, carbon dioxide and other things like h c o plus will take years to unravelled.
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