Question

2. What comes form a giant or massive star. They grow to as much as three time the mass of our sun as they lose the nuclear fuel to their core. The outer layer of this red star expands as the core contracts?

Answer 1

Most of the stars in the universe are main sequence stars — those converting hydrogen into helium via nuclear fusion. A main sequence star may have a mass between a third to eight times that of the sun and eventually burn through the hydrogen in its core.