A _________ is a failed star that shines primarily because of energy derived from its gravitational collapse rather than nuclear burning.
A) black hole
B) brown dwarf
C) Herbig-Haro object
D) protostar
E) T Tauri star

Question

Quizplus · Accepted Answer

A brown dwarf is a failed star because it is not massive enough to sustain nuclear fusion in its core. However, because of the gravitational energy released during its formation, it still emits some radiation and can appear as a faint, red "star-like" object.

A _________ Is a Failed Star That Shines Primarily Because