Life cycle of a star question i don't feel like answering by
1on of the endings of a star that has a mass 4-8 times greater than our sun; are very dense
2this is what a low or medium life star will become later in its life; typically have the same mass as our sun, but only a bit larger than the earth
3the explosion of a star when it has reached the end of its lifetime; are no longer stars, and are seen as bright points of light in the sky