Thursday, August 1, 2013

The Case for Alien Life - Popular Mechanics




extraterrestrial life - Google News





The Case for Alien Life - Popular Mechanics




Popular Mechanics

The Case for Alien Life
Popular Mechanics
Only one planet has been proven to support life: our own. But with at least 11 billion Earth-sized words in our galaxy orbiting in their stars' habitable zones, plus new evidence of strange kinds of life that thrive in extreme environments, the odds ...








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