Quote:
Originally Posted by Mr. Charlie
My bad, yeah, nova. When you consider all the ways we can be wiped out, and throw into the equation many other ways which we aren't aware of, it makes you realise how precarious life is. Might as well enjoy it while we can.
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Well, that shouldn't be a problem, seeing as it's about four billion years before that's likely to happen.
As for nuclear war, we could wipe*ourselves* out but the planet would continue.
Also, the "collision" between the two galaxies will be closer to a merging, there is a scant likelihood that more than a relatively minuscule number of star collisions will occur due to the vast distances involved between celestial objects. Of course anything in the path of the super-massive black holes at the center of each galaxy is in big trouble.
Also, the collision/merging of the galaxies is predicted to occur about the same time that the sun is likely to nova.