Proxima Centauri b Proxima Centauri b Proxima Centauri b (also called Proxima b or Alpha Centauri Cb) is an exoplanet orbiting in the habitable zone of the red dwarf star Proxima Centauri, which is the closest star to the Sun and part of a triple star system. It is located about 4.2 light-years (1.3 parsecs, 40 trillion km, or 25 trillion miles) from Earth in the constellation of Centaurus, making it the closest known exoplanet to the Solar System. Proxima Centauri b orbits the star at a distance of roughly with an orbital period of approximately 11.2 Earth days, and has an estimated
British Champions Long Distance Cup British Champions Long Distance Cup The British Champions Long Distance Cup is a Group 2 flat horse race in Great Britain open to thoroughbreds aged three years or older. It is run at Ascot over a distance of 1 mile 7 furlongs and 209 yards (3,209 metres), and it is scheduled to take place as part of British Champions Day each year in October. The event was originally held at Newmarket under the title Jockey Club Cup. It was established in 1873, and was initially contested over 2¼ miles. The distance of the race was shortened to 1½ miles in