This site from SolStation contains a chronology of life on Earth beginning with the origin of our Solar System about 4.6 billion years ago. You'll find descriptions of the important stages in the development of carbon-based life along with many imagess and links. The planetary impact of life on Earth and the possibility of life on Mars are also presented.
%0 Electronic Source %T Life on Earth and Elsewhere %I Sol Company %V 2017 %N 21 July 2017 %9 text/html %U http://www.solstation.com/life.htm
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