Question

drag each of the following stages in a stars life to place them in the correct sequence. beginning a black hole a main sequence star a supernova a supergiant star end

Explanation:

Stars form from nebulae. They first become main - sequence stars. Massive stars then evolve into supergiant stars. When a supergiant star runs out of fuel, it can explode as a supernova. If the remaining core is massive enough, it can collapse into a black hole.

Answer:

1. a main sequence star
2. a supergiant star
3. a supernova
4. a black hole