Thanks, I’ve taken this as a “known.” I’ll update the comment. https://en.m.wikipedia.org/wiki/Timeline_of_the_far_future https://en.m.wikipedia.org/wiki/Time

Thanks, I’ve taken this as a “known.” I’ll update the comment. https://en.m.wikipedia.org/wiki/Timeline_of_the_far_future https://en.m.wikipedia.org/wiki/Timeline_of_the_far_future As far as I understand, the habitable zone in our system is not stable. It’s shifting. Between 500m and 800m years from now it’ll have moved sufficiently where our carbon cycles start grinding to a halt.