More interesting facts are explained like how the closest black hole, named “Unicorn,” is only 17.2 km in diameter but is able to throw around V723 Mon, a star that’s 42x the size of our sun.

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Kurzgesagt The lineup of the (usual) gravitational suspects begins with black holes that are only the size of protons yet still have the same mass as a big mountain. The comparison then ascends up ...