There may be small, rocky planets in the nearby Alpha Centauri triple-star system that have been overlooked, according to a new study published in the Astronomical Journal (arXiv.org preprint). This artist’s conception shows a hypothetical rocky exoplanet in the Alpha Centauri system. Image credit: Michael S. Helfenbein. Alpha Centauri, also known as Rigil Kentaurus, Rigil Kent and Gliese 559, is the closest stellar system to Earth. This triple...
