Castor (star) in their spectra, and all are flare stars. "α Geminorum" (Latinised to "Alpha Geminorum") is the star system's Bayer designation. Castor and Pollux are the two "heavenly twin" stars that give the constellation Gemini (meaning "twins" in Latin) its name. The name "Castor" refers specifically to Castor, one of the twin sons of Zeus and Leda in Greek and Roman mythology. The star was annotated by the Arabic description "Al-Ras al-Taum al-Muqadim", which translates as "the head of the foremost twin." In the catalogue of stars in the "Calendarium of Al Achsasi Al Mouakket", this star was designated "Aoul al
HMS Leda (1892) and a single Gardner machine gun. Five 14-inch torpedo tubes were fitted (one fixed in the ship's bow and two twin mounts), with three reload torpedoes carried. The ship had a crew of 91. "Leda" was laid down at Sheerness Dockyard on 25 June 1891 and launched on 13 September 1892. She was completed in November 1893 at a cost of £62,145. In August 1894 "Leda" took part in that year's Naval Manoeuvres, and in July 1896 again took part in the Manoeuvres, On 26 June 1897 "Leda" was present at the Jubilee Fleet Review at Spithead. "Leda" took part