3 ms·
> Let's say the origin of life is a million to one filter, and the successful development of sentience is another million to one filter. Those are actually pret
by namarie 7y ago
> Let's say the origin of life is a million to one filter, and the successful development of sentience is another million to one filter. Those are actually pretty high odds for those two events, and the combination of those two togehter is enough to make it likely we're alone in the Milky Way.
I mean, not really? Doesn't the Milky Way have ~100 billion stars?
- jcranmer 7y ago(million: 1)^2 * 100 billion gives an estimate of ~0.1 stars in the Milky Way that host life.
- novalis78 7y agoIndeed. But then developed it hitch hikes a ride on asteroids and spreads virally. See Dr Zubrin’s recent discussions https://www.centauri-dreams.org/2017/12/21/interstellar-communication-using-microbes-implications-for-seti/ https://www.centauri-dreams.org/2017/12/21/interstellar-comm...