I was pretty sure there were about 100 billion galaxies so I just divided by that factor.
That assumes aliens arising in each galaxy is an independent event when conditioning on your uncertainty.
...why yes, yes it does. Dur.
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I was pretty sure there were about 100 billion galaxies so I just divided by that factor.
That assumes aliens arising in each galaxy is an independent event when conditioning on your uncertainty.
...why yes, yes it does. Dur.