Yes Star spend most of their life span as a main sequence star. A star end will depend on its size in life the end of a start can be a red giant to supernova, a white dwarf, pulsar, or black hole.
main sequence stars
main sequece
The main sequence.
No; stars are not, to the best of our knowledge, "alive".
Massive Stars.
Massive Stars.
No, stars have life spans.
All stars spend the majority of their lives on the main sequence. Once high mass stars have exhausted the hydrogen fuel in their cores they expand into much larger red or blue supergiant stars.
stars live for about ten billionyears
No, but some stars end their life by becoming a black hole.
The massive stars turn into gas
White dwarf stars are theorized to be the final evolutionary state of all stars that did not become neutron stars. This stage is the longest in a stars life outside of black dwarfs which are white dwarfs that have cooled dramatically.