There Are "Tens Of Billions" Of Habitable Planets and Moons in Our Galaxy
- Uploaded by Conspiritor on Jul 1, 2014
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The number of habitable worlds in our galaxy is certainly in the tens of billions, minimum, and we haven't even talked about the moons. You know, moons can be habitable, too. And the number of galaxies we can see, other than our own, is about 100 100 billion times 10 billion is a thousand billion billion [habitable planets] in the visible universe," Astronomer Seth Shostak more here: Seth Shostak: We'll find ET by 2037!