Mars’ moon Phobos may hold evidence of the ancient Martian atmosphere – SlashGear

New research has been published that shows Phobos, one of the moons orbiting Mars, circles the planet through a stream of charged atoms and molecules from the Martian atmosphere. NASA says many of these charged particles, or ions, are of oxygen, carbon, nitrogen, and argon. They have been escaping from the Martian atmosphere for billions of years as Mars shed its atmosphere.
Scientists believe that some ions have smashed into the surface of Phobos and could be preserved in its uppermost layer. NASA…

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