Astronomers from the European Southern Observatory (ESO) have discovered a rocky planet about the same mass as Earth orbiting a star in the Alpha Centauri system – the closest star system to Earth. Details of the discovery appear in the journal Nature. Alpha Centauri is one of the brightest objects in the southern sky and […]
![Earth-sized planet found nearby in Alpha Centauri system exoplanet_alpha_c](https://www.scienceagogo.com/wp-content/uploads/2016/06/exoplanet_alpha_c-100x100.jpg)