In 2016, the world was stumped by the discovery of Proxima b, an Earth-like planet orbiting Proxima Centauri, one of three stars that make up the Alpha Centauri triple system, just over 4 light years from Earth. . It seemed incredible, in fact, that precisely in the star closest to the Sun there was the possibility that a world other than ours could have life. In addition to having 'terrestrial' conditions, Proxima b is located right in the habitable zone of its star, that is, at the precise distance to allow the existence of liquid water on its surface.
And now an international team of astronomers has just... See more