Does humanity have a destiny? Are we to accomplish a task before ending as a species, or do we perhaps continue on, ever evolving and exploring? The explorers amongst us certainly want to continue, and their hopes are pointedly directed to the stars. The book <a href="http://www.amazon.com/exec/obidos/ASIN/1894959418/universetoday/103-2969503-4362211?%5Fencoding=UTF8&camp=1789&link%5Fcode=xm2 "><em>Beyond Earth</em></a> is a compilation of essays from visionaries who are committed to achieving this goal. Their ideas and plans show a decided conviction on a destiny that includes advancing our frontier off of Earth.

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