[s5300]

> We’ve only got another 500m years until there is a complete extinction event with little hope of coming back.

Are you speaking of a gamma ray burst expected to affect the ozone layer severely enough?

[r3trohack3r]

No, the carbon cycle being disrupted.

From your question I assume you’re on the Timeline of the Far Future Wikipedia page, which references this. It’s the next few boxes below the gamma ray burst.

https://en.m.wikipedia.org/wiki/Timeline_of_the_far_future