Too many unknown variables.C-Mag wrote: Mon Oct 29, 2018 1:10 pmDamn you Doc, I was counting on you to put some numbers on this. You're the SciFi Bookworm.Speaker to Animals wrote: Mon Oct 29, 2018 1:07 pmNo ideaC-Mag wrote: Mon Oct 29, 2018 12:54 pm I'd like to ask folks probabilities on some questions.
Percentage Chance
Intelligent Extraterrestrial Life Exists: __%
Intelligent ET has Interstellar capabilities: __%
Intelligent ET has visited Earth: __%
No idea
No idea
Don't be weak, throw some numbers out.
We do not even know exactly how life originates, so that is a huge unknown in the beginning of the chain of probabilities that changes everything. It may be the probability of intelligent life evolving in some biosphere is fair, and all the subsequent things near 1.0. Bit if the probability of a biosphere coming into existence is near zero..