For 10 points, name this largest moon of Saturn.
Liquid areas on this body include Ontario Lacus and Kraken Mare, and it includes such large regions as Xanadu and Shangri-la. Ammonia-water mixing occurs beneath its surface, and the Ganesa Macula is one of this satellite's cryovolcanic domes. With an atmosphere consisting primarily of nitrogen, this body was observed by the Cassini and Huygens probes, as well as the earlier Voyager missions. This body is the only planetary moon with its own atmosphere. For 10 points, name this largest moon of Saturn.
Liquid areas on this body include Ontario Lacus and Kraken Mare, and it includes such large regions as Xanadu and Shangri-la.
Titan