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by thesteamboat 1959 days ago
Invoking parallel universes was solely for ease of explaining/emphasizing the math, not because I think it's a realistic model.

Talking about the Hubble Deep Field kind of misses the point. The original Drake equation[0] estimates the number of alien civilizations in our galaxy. I probably should have used galaxies in my example, but left it with parallel universes as that is the common phrase.

[0]: https://en.wikipedia.org/wiki/Drake_equation