3 ms·
Only if the mass extinctions happen fast/regularly enough. We don’t really know how long it takes for intelligence to evolve, or how long a interstellar civili
by mr_toad 8y ago
Only if the mass extinctions happen fast/regularly enough.
We don’t really know how long it takes for intelligence to evolve, or how long a interstellar civilisation to develop, since we only have one example of the former and zero of the latter.