Multiple Choice
What is a white dwarf?
A) It is a main-sequence star of spectral type F,which tends to look white in color.
B) It is the remains of a star that ran out of fuel for nuclear fusion.
C) It is a type of star that produces energy by gravitational contraction.
D) It is a star that follows a period-luminosity relation.
Correct Answer:

Verified
Correct Answer:
Verified
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