(Unlike Earth, however, where most surface liquid is water, Titan is so frigid - about –290 degrees F [–179 degrees Celsius] ...

Titan may be a moon, but it is also more similar to Earth ... Still, the surface ice of Titan is indeed composed of water.

And if that water mixed with methane-based molecules ... Yes, just like our own moon, Titan orbits a planet. But it actually looks and behaves more like an Earth. And that's why, for this mission ...

Part robot, part space drone, Dragonfly will make the 759,000-mile eight-year journey to Titan, Saturn's largest moon. Rivers, lakes, and seas across its surface are filled with not water ...