Comment on De novo origins of multicellularity in response to predationparentComments−est317yYou don't need an astronomically old civilization for it to have galaxy-wide impact. Already a "few" million years should be enough to colonize a dead-except-for-you galaxy.
Comments
You don't need an astronomically old civilization for it to have galaxy-wide impact. Already a "few" million years should be enough to colonize a dead-except-for-you galaxy.