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Originally posted by TracerBullet
actually it won't likely engulf the earth - it'll stop just shy of it. Fortuneately for us, Saturns Moon Triton has all the gasses of a primordial Earth and will be nice and temprate by that time. Yay!
Also - it requires a star of at least 20 solar masses to create a black hole - the sun will become a useless brown-dwarf star after briefly becomeing a red giant. Brown-dwarves are about as pathetic as they sound - small and reletively heat/lightless.
ºTracer
Regardless, it would still kill each and every living thing on this planet.