The two sunlike stars, Alpha Centauri A and B, orbit each other closely while Proxima Centauri,
a tempestuous red dwarf, hangs onto the system tenuously in a much more distant orbit.
The system's two sunlike stars, Alpha Centauri A and B, orbit each other closely while Proxima Centauri,
a tempestuous red dwarf, hangs onto the system tenuously in a much more distant orbit.