PREVIEW
... earance of the planet's magnetic field caused the surface atmosphere to be stripped by the solar wind.
Because there were traces of life on the Martian meteorites obtained, Mars should have had a thick atmosphere in the past, but now it has become a desolate planet.
Compared to the earth's 1% atmospheric concentration, and because of the lack of magnetic field and atmospheric protection, it is directly attacked by the solar wind and cosmic rays. It can be said that the difficul ...
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