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God Not Found
Science => Astronomy/Cosmology => Topic started by: Unbeliever on May 15, 2015, 03:54:07 pm
Title:
Drake Equation Calculator
Post by:
Unbeliever
on
May 15, 2015, 03:54:07 pm
http://www.as.utexas.edu/cgi-bin/drake.pl
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