Quote:
Originally Posted by renormalised
What can be said from this is that if the numbers stack up, there are a mind bogglingly large number of planets in our galaxy. Even if only 1 in 100 (or 1 in 1000, 1 in 10^6) of them were habitable, it would still be a huge number of habitable planets present in our galaxy. More than you could count in a lifetime.
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And that is only in our own Galaxy.
Now, how many Galaxies are out there?
