This is how Planet Mars must have lost it's Atmosphere.
- Uploaded by Ufotvstudio on Sep 12, 2012
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Though it doesn't look like a nice place to live now, Mars may have had an atmosphere more like ours on Earth! But how did it lose it? One way a planet can lose its atmosphere is through a process called 'sputtering.' In this process, atoms are knocked away from the atmosphere due to impacts from energetic particles. Learn more in this video!