[meteorite-list] Plausibility of Martian Microbes

From: Francis Graham <francisgraham_at_meteoritecentral.com>
Date: Tue Apr 27 19:23:49 2004
Message-ID: <20040427232347.82238.qmail_at_web40105.mail.yahoo.com>

>Indeed,
> one can ask the
> following questions: On which planet did life
> originate? Could life have
> originated on Mars and been transferred to Earth or
> vice versa?

  If Mars had lakes and conditions hospitable to at
least microscopic life, and Earth had life at that
time, then the ONLY way MARS could NOT have had life
is for there to be an exact 100% chance that any
meteorite from Earth was completely sterilized by the
space environment before reaching Mars. 99.999% isn't
good enough, because of the many chances of Earth
meteors. Why there must have been hundreds of Earth
meteorites hitting Mars from the Sudbury and Hudson
Bay impacts alone at the time, give or take a thousand
years.

Francis Graham



        
                
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Received on Tue 27 Apr 2004 07:23:47 PM PDT