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There is nothing we can do… Yet!
We will have the collision with Andromeda Galaxy a few billion years before, so don’t worry :)
Colliding with andromeda won’t do anything. Galaxies are almost all empty space.
Can’t it mess up our nice solar system if other large objects come even remotely close?
I read somewhere that the sun might expand a bit and become too hot for Earth in just 500 million years time, so it might be a shorter window than you’d think
You’re missing a zero. The sun will expand into the red giant phase in about 5 billion years.
Not if humans get their hands on it.
