Gliese 229B, the first known brown dwarf star, was first observed in 1995. Brown dwarfs, or "brown dwarves," if you're into J.R.R. Tolkien, are substellar objects with higher mass than the largest ...
WASHINGTON, Oct 18 (Reuters) - In 1995, astronomers confirmed the discovery for the first time of a brown dwarf, a body too small to be a star and too big to be a planet - sort of a celestial tweener.