Accelerate progress in our three core enterprises — Explore Worlds, Find Life, and Defend Earth. You can support the entire fund, or designate a core enterprise of your choice.
Titan, Tethys, rings, and ringlit Saturn On 22 May, Cassini saw Tethys passing behind Titan as both appeared close to Saturn. Saturn's limb is actually in the image -- its ringlit northern hemisphere is visible as a curving patch of dark gray on the upper left. NASA / JPL-Caltech / SSI / color composite by Sean Walker