A brown dwarf discovered 30 years ago is actually twins circling each other The Associated PressThese ‘failed stars’ orbit so closely it took 29 years to tell they were a pair Space.comThe cool brown dwarf Gliese 229 B is a close binary Nature.comThe first brown dwarf ever found was the strangest – now we know why New ScientistIt’s twins! Mystery of famed brown dwarf solved Phys.org