Hydra (moon) the Hydra, the nine-headed serpent that battled Heracles in Greek mythology. The nine heads of Hydra are a reference to Pluto's tenure as the ninth planet; its initial, "H", refers to the Hubble Telescope, which discovered Hydra and, together with Nix, to the "New Horizons" mission whose safe passage was the motivation for taking the Hubble images. Hydra orbits the barycenter of the system in the same plane as Charon and Nix, at a distance of about 65,000 km. Its eccentricity of 0.0059 is small, but significantly non-zero, and the largest of those of Pluto's small moons (slightly larger than
Slayed? "Get Down and Get With It" in 1971, Slade would continue to achieve further success with their follow-up singles "Coz I Luv You", "Look Wot You Dun" and "Take Me Bak 'Ome". The 1972 live album "Slade Alive!" also gave the band their first success on the albums chart, reaching No. 2. Having achieved their second UK number one with "Take Me Bak 'Ome", the band soon finished recording their next studio album "Slayed?". In August 1972, the lead single "Mama Weer All Crazee Now" was released and was another UK chart topper. "Slayed?" followed in November and reached No.