During the first hour, planetary scientist David Grinspoon discussed the Huygens probe landing on Saturn's moon, Titan. He thinks the fact that the probe survived its descent may indicate the landing surface was liquid or icy slush.
According to Grinspoon, "Titan is an active world" where it rains methane and, as recent Huygens photos show, liquid flows through drainage channels. He theorized that if Titan were warmed, it could prove to be an "incubator for life."
In hour two of the program, George welcomed Richard C. Hoagland of Enterprise Mission, who admitted Titan "does not belong in the Saturn system." Because of its unique nature and the presence of "organic gunk" in its atmosphere and on its surface, Hoagland hypothesized that Titan was terraformed by an advanced alien race. He believes Titan may provide further evidence that somebody "tinkered" with our solar system.
George hosted Open Lines for the last two hours of Friday night's show.