3 ms·
On those timescales mass extinction events (asteroid, supervolcano etc.) become rather probable, which I guess could be what GP was trying to say.
by semi-extrinsic 11y ago
On those timescales mass extinction events (asteroid, supervolcano etc.) become rather probable, which I guess could be what GP was trying to say.
- pdonis 11y agoA mass extinction event would mean there wouldn't be a civilization on the planet at all. That's certainly possible, but for this particular subthread I am taking as a premise that there is a civilization there.