Compared to the star it evolved from,a white dwarf is
A)hotter and brighter.
B)hotter and dimmer.
C)cooler and brighter.
D)cooler and dimmer.
E)the same temperature and brightness.

Question

Quizplus · Accepted Answer

A white dwarf is hotter than the star it evolved from due to its exposed hot core, but it is dimmer because it is much smaller in size, leading to a lower overall luminosity.

Compared to the Star It Evolved From,a White Dwarf Is