How are elements beyond iron formed in massive- star supernovae?
A)Neutrons produced during the core collapse are slammed into atomic nuclei.
B)Elements thrown out at high speeds fuse with hydrogen atoms in the interstellar medium.
C)The high temperature and pressure allow iron nuclei to fuse.

Question

Quizplus · Accepted Answer

During the core collapse of a massive star supernova, neutrons are produced and are then rapidly absorbed by atomic nuclei, causing them to become unstable and rapidly decay into heavier elements beyond iron through a process called neutron capture.

How Are Elements Beyond Iron Formed in Massive- Star Supernovae