October 17, 2012
European astronomers have discovered a planet with about the mass of the Earth orbiting a star in the Alpha Centauri system — the star system nearest Earth. It is also the lightest exoplanet ever discovered around a star like the Sun.
The planet was detected using the HARPS instrument on the 3.6-metre telescope at ESO’s La Silla Observatory in Chile.
Alpha Centauri is one of… read more