Thanks Red Badger. A large impact will sanitize the planet long before that, and impact is likely the only mechanism that could/would/can/will remove all the oxygen.
Thanks Red Badger. A large impact will sanitize the planet long before that, and impact is likely the only mechanism that could/would/can/will remove all the oxygen.
A billion years? That is so insignificant it’s not even measurable in the time flow...
https://www.youtube.com/watch?v=uD4izuDMUQA
