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It's often said but with heavy evidence to yhr contrary e.g. Venus. Venue's negligible magnetic field is almost non-existent yet its atmosphere is many many tim
by outofpaper 3y ago
It's often said but with heavy evidence to yhr contrary e.g. Venus. Venue's negligible magnetic field is almost non-existent yet its atmosphere is many many times thicker than ours.
- idiotsecant 3y agoIn fact, earth actively loses material to space because is has a magnetosphere, polar outflow of oxygen for example.
- kijin 3y agoVenus loses a lot of material, too. One of the reasons Venus still has a dense atmosphere is because its atmosphere is mostly composed of a relatively heavy compound, CO2, which is harder to lose than lighter gases like H2, N2, and O2.