Multiple Choice
A nova is an explosion involving a white dwarf. Can a white dwarf become a nova more than once? Why or why not?
A) No. The white dwarf's magnetic field is eliminated in the explosion.
B) Yes. A white dwarf can become a nova more than once if its temperature is high enough for recurrent helium flashes in the core.
C) Yes. A white dwarf can become a nova more than once if it continues to receive matter from a companion star.
D) No. The white dwarf is destroyed in the explosion.
Correct Answer:
Verified
Correct Answer:
Verified
Q126: Helium nuclear reactions take place in a
Q127: How much brighter than its main-sequence luminosity
Q128: What is remarkable about the supernova remnant
Q129: What is the source of MOST of
Q130: In the asymptotic giant branch (AGB) phase
Q132: Each successive stage of core nuclear reactions
Q133: The center of the remnant of a
Q134: During which phase of a low-mass star's
Q135: A white dwarf star is at what
Q136: Around 2 million years ago, astronomers believe,