NASA's MAVEN Reveals Most of Mars' Atmosphere Was Lost to Space by NASA
= NASA's MAVEN Reveals Most of Mars' Atmosphere Was Lost to Space by NASA
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Mission-team announcement, 30 March 2017; argon isotope evidence and solar-driven atmospheric loss.
https://www.nasa.gov/news-release/nasas-maven-reveals-most-of-mars-atmosphere-was-lost-to-space/