Moons of Uranus these five, Titania, is 1,578 km in diameter and the eighth-largest moon in the Solar System, and about one-twentieth the mass the Earth's Moon. The orbits of the regular moons are nearly coplanar with Uranus's equator, which is tilted 97.77° to its orbit. Uranus's irregular moons have elliptical and strongly inclined (mostly retrograde) orbits at large distances from the planet. William Herschel discovered the first two moons, Titania and Oberon, in 1787, and the other three ellipsoidal moons were discovered in 1851 by William Lassell (Ariel and Umbriel) and in 1948 by Gerard Kuiper (Miranda). These five have planetary mass,
Planet Moon Studios Moon Studios closed its doors. Planet Moon Studios Planet Moon Studios was a game development studio based in San Francisco, California founded by ex-Shiny Entertainment developers Nick Bruty (President) and Bob Stevenson (CEO) in 1997. Planet Moon developed the games "" (Interplay, 2000), "Armed and Dangerous" (LucasArts, 2003) and "Infected" (Majesco Entertainment, 2005). The games are generally critically acclaimed for both gameplay and graphics, and are often lauded for their humor in various reviews. In January 2011, Bigpoint Games acquired the Planet Moon Studios staff in San Francisco, California, but did not acquire the company, its intellectual properties, or its