Looks like everything. ot everyone would be extinct and burned up.
Roughly 5 billion years from now, the Sun will exhaust the hydrogen fuel in its core and start burning helium, forcing its transition into a red giant star. During this shift, its atmosphere will expand out to somewhere around 1 astronomical unit — the current average Earth-Sun distance.
Last night I dreamt that a nuclear warhead landed just beyond the horizon and I was left to try and figure a way out of this no win scenario. Life is a no win scenario, in the end we all die but how we live between birth and death makes all the difference. This is something that god botherers who spend their life on their knees praying for salvation that will never come do not seem to understand.