Multiple Choice
Which event marks the beginning of a supernova?
A) the sudden collapse of an iron core into a compact ball of neutrons
B) the onset of helium burning after a helium flash
C) the beginning of neon burning in an extremely massive star
D) the sudden initiation of the CNO cycle
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q48: The following questions refer to the H-R
Q49: The following questions refer to the sketch
Q50: Stars of lower mass have deeper convection
Q51: What is a planetary nebula?<br>A)gas created from
Q52: Choose from the list below for the
Q54: You discover a binary star system in
Q55: Do you think it is possible that
Q56: The following questions refer to the H-R
Q57: This diagram represents the life track of
Q58: Process of Science: Based on what you