When a Stellar Iron Core Collapses, Large Numbers of Neutrinos

Multiple Choice

When a stellar iron core collapses, large numbers of neutrinos are formed, and then:

A) they form the neutron star.
B) they are absorbed by electrons to produce positrons.
C) they are captured to form heavy elements.
D) they are captured to form light elements.
E) they immediately pass through the core and escape to space.