re: #118 LudwigVanQuixote

So how well did the major disruption of an asteroid hit work for the dinosaurs?

Also, I promise had that asteroid been a big enough that it would have boiled the oceans and stripped the atmosphere.

All living things can be killed.

As to adaption and feedback. Sort of the point of extinction is that the critters can’t adapt fast enough. There is a big enough knock that it would take everything.

However, I personally agree that runaway Venus would be hard to get to. It think it is likely that enough photosynthetic microbes will remain that over many millions of years carbon could be sequestered again.

Your last paragraph is my point.