The energy a white dwarf emits into space is
A)replaced by fusion of hydrogen atoms into helium.
B)replaced by fusion of helium atoms into carbon.
C)not replaced.

Question

Quizplus · Accepted Answer

White dwarfs are no longer able to undergo fusion reactions, which means that they do not generate any new energy. The energy they emit into space is simply the result of leftover thermal energy from their previous fusion reactions. Thus, the answer is not replaced, which is choice C.

The Energy a White Dwarf Emits into Space Is