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What if the moon turned into a black hole?
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this post was submitted on 08 Jul 2025
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black holes can also be small, actually, it's based on a ratio of mass to diameter
You only need a high enough density of mass to form a black hole. You could take any amount of mass and in theory squeeze it hard enough to produce a black hole.
The sun is not massive enough for the astrophysical processes to form a black hole, but if you squeezed the sun into a small enough space by some magic it you could form them.