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
West Yorkshire Hurdle (5,029 metres) in 1992. The race was sponsored by John Smith's from 2000 to 2012 and run as the John Smith's Hurdle. Since 2013, it has been sponsored by Bet365 and was run as the Bet365 Hurdle in 2013, 2014, 2016 and 2018. It was reduced back to 3 miles in 2015. ---- West Yorkshire Hurdle The West Yorkshire Hurdle is a Grade 2 National Hunt hurdle race in Great Britain which is open to horses aged four years or older. It is run at Wetherby, West Yorkshire, over a distance of about 3 miles (3 miles and 26 yards,