The pressure within a protostar counters gravity and prevents the star from collapsing further.
The mass of the progenitor star has to be massive to form a black hole and thus it will have a shorter time on the main sequence compared to a medium sized star.
Red giant.
Star Birth as a Protostar. Stars are born within molecular clouds in the Galaxy. The mass of a protostar determines its place on the H-R diagram, its energy source, its ultimate fate. Then, the final stage when the core is fused to iron.
sadly from what i have seen it doesnt but i hope it does soon
They will merge to form a single black hole with the combined mass of the town that merged.
The sun's energy has not formed a black hole.
nebula, protostar, blue giant, super red giant, supernova, black hole or pulsar
A black hole is formed when a star or other large body collapses on itself.
black hole
Yes. The possible cycle is: protostar/brown dwarf main sequence star red giant supernova/super giant white dwarf/black hole black dwarf
No. The sun does not have enough mass to form a black hole. A black hole does not lead to another galaxy. Anything pulled into a black hole becomes part of that black hole's mass. Even then, if Earth were to fall into a black hole the same mass as the sun it would be torn apart by tidal forces long before it crossed the event horizon.
they trun into a black hole