During the Collapse of a Massive Star,the Core Will Rebound

question 192

Multiple Choice

During the collapse of a massive star,the core will rebound outward in a process called core bounce.What causes this phenomenon?

• A) A flood of neutrinos is released and pushes outward on the core.
• B) A flood of high energy gamma rays is released and pushes outward on the core.
• C) The collapsing core reaches the density of nuclear matter and stiffens.
• D) Radioactivity develops because of the tremendous amount of energy available, and the radiation reverses the movement of the core.