Star
Brown Dwarf
A failed star, too small for hydrogen fusion.
Substellar objects of 13–80 Jupiter masses that fuse deuterium briefly but never sustain hydrogen fusion. Spectral classes L, T, and Y.
Overview
Substellar objects of 13–80 Jupiter masses that fuse deuterium briefly but never sustain hydrogen fusion. Spectral classes L, T, and Y.
See also
Main Sequence Star
A stable star fusing hydrogen into helium in its core.
Yellow Dwarf
A G-type main sequence star, like the Sun.
Flare Star
A small star with sudden violent outbursts.
Subdwarf
A small, hot star below the main sequence.
Substellar Object
Any object below the hydrogen-fusion limit.
Sirius
The brightest star in the night sky.