4 ms·
Biological life confined to a single solar system: If it happened once, it could happen twice. Post-biological life: There is presently no evidence of it happ
by robonerd 4y ago
Biological life confined to a single solar system: If it happened once, it could happen twice.
Post-biological life: There is presently no evidence of it happening even once.
- q1w2 4y agoYou're really just making a semantic argument - nothing more. We have seen ZERO species that are space faring - ours doesn't qualify either.