Bear is derived from the Celtic word for "bear", "artos". In ancient Greece, archaic cult of Artemis in bear form survived into Classical times at Brauron, where young Athenian girls passed an initiation right as "arktai" "she bears". For Artemis and one of her nymphs as a she-bear, see the myth of Callisto. The constellations of Ursa Major and Ursa Minor, the great and little bears, are named for their supposed resemblance to bears, from the time of Ptolemy. The nearby star Arcturus means "guardian of the bear", as if it were watching the two constellations. Ursa Major has been associated
HMS Ursa (1917) HMS Ursa (1917) HMS "Ursa" was a modified Admiralty destroyer which served with the Royal Navy. The vessel served with the Grand Fleet during World War I. The destroyer took part in the Second Battle of Heligoland Bight while being commanded by Commander John Tovey, who later became Admiral of the Fleet and led the successful action against the battleship "Bismark". "Ursa" was long overall, with a beam of and a draught of . Displacement was . Power was provided by three Yarrow boilers feeding two Parsons geared steam turbines rated at and driving two shafts, to give a design