A star that is quite hot and has a very small radius compared to most stars is called

Question

Quizplus · Accepted Answer

A white dwarf is the correct choice because it is a very hot star with a small radius; it is the remnant of a low-mass star that has exhausted all of its nuclear fuel. A main-sequence star is a typical star that is fusing hydrogen in its core to produce energy, while an O-type star is a very massive, hot star. A red giant is a star that has evolved beyond the main sequence and has expanded and cooled down, and an M-type star is a low-mass, cool star. None of these choices fit the description of a hot star with a small radius as well as a white dwarf.

A Star That Is Quite Hot and Has a Very