Space/Science — HabitableZone

Space/Science » in reply to From what I read, the experts are sharply divided on the cause of this mass extinction.

On the plus side

This shows how hardy life can be, if it has almost been wiped out
numerous times on Earth in its 5 billion year history and keeps coming
back for more.

I cannot believe we are the only world in the galaxy to be so durable
and lucky.

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