Scientists have discovered a black hole that's twice as massive as what they'd thought was possible
It's a stellar black hole — the type that forms after massive stars die, collapse, and explode. Researchers had previously believed that the size limit was no more than 20 times the mass of our sun because as these stars die, they lose most of their mass through explosions that expel matter and gas lost to stellar winds.This theory has now been toppled by LB-1, the newly-discovered black hole.
There are several types of black holes, and stellar black holes like LB-1 are on the smaller side, according to NASA. Supermassive black holes are much bigger -- they can be billions of times the mass of our sun. Scientists believe supermassive black holes may be connected to the formation of galaxies, as they often exist at the center of the massive star systems -- but it is still not clear exactly how, or which form first.
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