Answer:
Well, to start out, stars are reayling just huge balls of exploding gas. Constant fusion is always taking place benith their surfaces (not that they really have a solid surface). Stars tend to get bigger as they age, and darker two. Younger stars would ussually be smaller and more yellow than an older one. Older ones are bigger and have more of a redish color.
Answer:
A
Explanation:
Formation of black holes occur during the death of massive stars (at least 25 times larger than Earth’s sun). When the fuel of the massive star is exhausted, the star’s nuclear forces are unable to counter the gravitational collapse due to its own weight. The star dies in a supernovae and the remnant is a black hole.
