Parsec but in globular clusters the stellar density could be from 100 to 1000 per cubic parsec. Parsec The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System. A parsec is defined as the distance at which one astronomical unit subtends an angle of one arcsecond, which corresponds to astronomical units. One parsec is equal to about 3.26 light-years (30 trillion km or 19 trillion miles) in length. The nearest star, Proxima Centauri, is about from the Sun. Most of the stars visible to the unaided eye in the night
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,