A nova is almost always associated with
A) a very massive star.
B) a very young star.
C) a star undergoing helium flash.
D) a white dwarf in a close binary system.
E) a solar-like star that has exhausted its hydrogen and helium.
Correct Answer:
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Q20: The triple-alpha process
A) controls the pulsations in
Q21: If the theory that novae occur in
Q22: The lowest-mass stars cannot become giants because
A)
Q23: What are the two longest stages in
Q23: About how long will a 0.5-
Q24: The Chandrasekhar limit tells us that
A)accretion disks
Q28: A planetary nebula is
A) the expelled outer
Q29: A planetary nebula has a radius of
Q33: A white dwarf is composed of
A)hydrogen nuclei
Q58: What nuclear fusion mechanism does an isolated
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