2016 $5 Northern Sky Ursa Major 1oz Silver Coloured Domed Proof CoinUrsa Major, Latin for "Great Bear," is a prominent constellation visible year round in the Northern Hemisphere. It contains the Big Dipper asterism, often used for navigation to locate the North Star, Polaris. Found in Greek mythology, Ursa Major symbolizes Callisto, transformed into a bear and placed among the stars by Zeus.