Daily Galaxy on MSN4mon
Decades-Old Mystery Solved as Gliese 229B Is Revealed as a Binary System
The pair orbits a red dwarf star known as Gliese 229, located 19 light-years away from Earth. The discovery also helps ...
Space on MSN4mon
These 'failed stars' orbit so closely it took 29 years to tell they were a pair
Gliese 229B is located 19 light-years away where it orbits a red dwarf called Gliese 229. In 1995, it became the first-known ...