A star of spectral class L is
A) a red star,intermediate between spectral classes K and M.
B) not a star at all,but a white dwarf.
C) a yellow star like the Sun.
D) not a star at all,but a brown dwarf.

Question

Quizplus · Accepted Answer

A star of spectral class L is not a star at all, but a brown dwarf. Brown dwarfs are objects that are too small to sustain nuclear fusion in their cores and therefore do not have enough energy to emit visible light as stars do. They are often referred to as failed stars or substellar objects.

A Star of Spectral Class L Is