Question, Why is Mars almost sterile?

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Bearsun
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During the many millions of years that Mars has existed is it possible a random CME event released a solar mass of plasma that struck Mars and powered off the Martian atmosphere and the Martian ocean(s) and made Mars almost sterile?
 
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russ_watters said:
Or prior to that, the sun had twice the mass it does today! :-p

Mars doesn't have the gravity required to keep much of an atmosphere or oceans for a long time.

If the Sun had twice the mass maybe Mars did also before getting struck by a blow torch blast of Solar Plasma. There are lots of possibilities over billions of years. We living organisms called humans are an example of what can happen given enough time and opportunity.
 
Vanadium 50 said:
Not really no. A solar mass of plasma leaves nothing left where the sun is.

Bearsun said:
During the many millions of years that Mars has existed is it possible a random CME event released a solar mass of plasma that struck Mars and powered off the Martian atmosphere and the Martian ocean(s) and made Mars almost sterile?

Please explain futher. Aren't we Stardust?