Good point. In that case the Drake equation must be modified to include panspermia probabilities and the variance in time-to-civilization among our sister lineages. I’m curious what kind of Bayesian update we get on those...
In fact, not a mine idea, I read an article about it by Panov—https://www.sociostudies.org/almanac/articles/prebiological_panspermia_and_the_hypothesis_of_the_self-consistent_galaxy_origin_of_life/
Good point. In that case the Drake equation must be modified to include panspermia probabilities and the variance in time-to-civilization among our sister lineages. I’m curious what kind of Bayesian update we get on those...
In fact, not a mine idea, I read an article about it by Panov—https://www.sociostudies.org/almanac/articles/prebiological_panspermia_and_the_hypothesis_of_the_self-consistent_galaxy_origin_of_life/