Black holes are points in space that are so dense ... While the star was alive, nuclear fusion created a constant outward push that balanced the inward pull of gravity from the star's own mass.

Stellar-mass black holes with masses between 10 and 100 times that of the sun are born when stars much more massive than the sun run out of fuel needed for nuclear fusion in their cores.

it may seem like infant stars and supermassive black holes have very little in common. Infant stars, or "protostars," haven't yet gathered enough mass to trigger the nuclear fusion of hydrogen to ...

More massive stars than the Sun have a very different life cycle and follow the right hand path in the diagram above: \({Nebula}\rightarrow{protostar}\rightarrow{main~sequence~star}\rightarrow{red ...