Warp wrote:
>   The video posits that life in other planets is likely due to the humongous
> amounts of stars and planets out there. On the other hand, the opposite
> hypothesis is scientifically sound as well:
> 
> http://en.wikipedia.org/wiki/Rare_Earth_hypothesis
> 
>   In short, the hypothesis states that life requires such ideal conditions
> that most planets, and even most galaxies simply don't provide them.

Wow! I never considered that entire galaxies could be ruled out at 
roughly a single glance. That surely reduces the number of possible 
Earth-like planets by a large amount.

-Mike

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