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Wednesday, February 25, 2009

Alien census: 361+

It seems like a suspiciously exact number.
In a paper published recently in the International Journal of Astrobiology, the researchers concluded that based on what they saw, at least 361 intelligent civilizations have emerged in the Milky Way since its creation, and as many as 38,000 may have formed.
How do we know it wasn't, say, 360?

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