Third potential planet discovered around star closest to our sun kesq.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from kesq.com Daily Mail and Mail on Sunday newspapers.
At just a quarter of Earth s mass, Proxima D is the third planet to be detected in the Proxima Centauri system. It was discovered by the European Southern Observatory s Very Large Telescope in Chile.