doom writes: "Here we go... a wonky technique for making predictions based on almost no data via the Copernican Principle and the pressing need to colonize Mars (not the moon? not the Asteroid belt?), touching base on the Fermi Paradox along the way. Is this really the New York Times? A Survival Imperative for Space Colonization , in which John Tierney discusses the ideas of Dr. J. Richard Gott, an astrophysicist at Princeton."