Signs of planet detected around sun’s nearest neighbor star
Proxima Centauri companion orbits in habitable zone
A WORLD NEXT DOOR Proxima Centauri casts a reddish glow over the surface of Proxima b (illustrated), the closest exoplanet to Earth, while two companion stars, Alpha Centauri A and B, appear as bright pinpricks of light.
M. Kornmesser/ESO
