Piercing Titan's haze
The Huygens probe will plunge into an alien atmosphere that may resemble that of early Earth.
Aptly named, Titan is not only Saturn's largest satellite, but also the second-largest satellite in the solar system. In addition, it is the only moon known to have a dense atmosphere. With that thick atmosphere, Titan's surface has remained hidden from view, even during the fly-bys of Voyager 1 and 2, though the latter brought some clarity to the photochemistry of Titan's all-enshrouding haze. Though primarily comprised of nitrogen, Titan's atmosphere holds a good amount of methane, as opposed...