Gliese 229B is located 19 light-years away where it orbits a red dwarf called Gliese 229. In 1995, it became the first-known brown dwarf, introducing astronomers to failed stars.

The nearby star Gliese 229 harbours a ‘brown dwarf’ companion: an object less massive than a star but more massive than a planet. High-resolution observations reveal that it is two objects ...

A well-studied cosmic object has stunned astronomers. The "failed star" Gliese 229B has been revealed to be two so-called "brown dwarfs" that are closely orbiting each other rather than just one. The ...

The first and most famous "failed star" discovered by humanity isn't one brown dwarf, but two! The duo comprising Gliese 229B are so tightly bound they orbit each other in 12 days.