8 points
The Earth will actually be unenhabitably hot way before then
As the sun gets older it will get brighter. Ironically this will draw all the CO2 out of the air but at the same time make the Earth too hot to survive on
Source: The Ends of the World
1 point
When you realize that by the time all atoms cease exist and light is but a long gone memory, the universe will have barely aged.
