... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... NASA confirms liquid lake on Saturn moon . Cassini spacecraft reveals a large body of liquid ethane, methane, other hydrocarbons, and nitrogen on Titan. ... NASA scientists have concluded that at least one of the large lakes observed on Saturn's moon Titan contains liquid hydrocarbons, and have positively identified the presence of ethane. ... Only registered members of Astronomy.com are allowed to comment on this article. ...