Multiple Choice
The physical process believed to provide the energy for the ejection of a planetary nebula from a star is
A) transfer of hydrogen-rich material to the surface of a white dwarf from its companion in a binary star system.
B) a series of thermal pulses in a helium-burning shell.
C) a collision with another star.
D) core collapse and the ensuing shock wave.
Correct Answer:
Verified
Correct Answer:
Verified
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