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Originally posted by benrl
Truly master space travel would suck if we find there is nothing out there.
Originally posted by marloin
Billions of other civ's is scarier simply due to its likely hood. This is like asking "Which is scarier? Having a loaded gun pressed to your head, or unicorns?"
It is statistically impossible for us to be alone in the universe. We live in a vast and edgeless universe, and our galaxy alone has at least 200 billion stars in it, and going with the very pessimistic estimate of one in every 500 million galaxies has a planet able to support life, there are still at least 400 planets able to support life in our galaxy.
We are not alone, it's a concrete fact.edit on 14-5-2012 by marloin because: Typo