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A comment on NASA's Perseverance rover will attempt to land on Mars this week. Parent comment

Re:NASA's Perseverance rover will attempt to land on Mars th... by jojobas on Wednesday February 17, 2021 @05:35AM (#26164906)
This is about gaseous water, not water droplets. Water droplets (fog) increase density (again, not by much).

Dust doesn't have a meaningful vapour pressure and can't influence air density this way.

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