of surviving without oxygen could remain.
This would not happen suddenly. It would be a very slow process taking place over hundreds of millions of years.
What Will Happen to the Sun?
The eventual destruction of Earth’s habitability is not the end of the Sun’s story.
In roughly five billion years, the Sun is expected to enter a completely different stage of its life.
It will eventually run out of hydrogen fuel in its core and expand into a red giant.
During this stage, the Sun will become enormously larger
