wrong SBYRD, now let me explain how a star is born and dies
there's two types of stars, one is the type our sun is and the other is damn, i forgot its name, lol.
anyways,
Process of a star like our sun:
nebula: infant stage of star, when it's still giant clouds of hydrogen
next, it starts to become very dense and heat up, and eventually, nuclear fusion occurs in which hydrogen atoms are fused into helium
after all these other stages of the star(i won't go into specifics, since i don't have much time)
it becomes red giant, like you described SBYRD
then it becomes a helphoid(can't remember what it's called) where there is very little hydrogen left and most of the star is helium, and the helium starts to fuse with itself into carbon.
and then finally it becomes neutron star(a.k.a white dwarf) with extreme gravity because the red giant's core collapses on itself
The other type of star's process:
the star pretty much follows the same process, except it becomes a supernova instead of a red giant. the supernova goes through the same thing, except it has a possibility to become a black hole or a pulsar.
anyways, a blackhole's tremendous gravity CAN infact cause a nearby star to go nova.
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