According to The New York Times, "Cassini arrived at Saturn in 2004 for a four-year mission, but was so successful that NASA gave it a two-year extension, to September 2010. Then, in February [of 2013], NASA extended it a second time for what it calls the Solstice mission, lasting until Saturn's northern hemisphere summer in 2017.... "
The Solstice mission — when the sun stops: when the sun is still, and we may see in awe.
Wikipedia observes, "Of the many ways in which solstice can be defined, one of the most common (and perhaps most easily understood) is by the astronomical phenomenon for which it is named, which is readily observable by anyone on Earth: a 'sun-standing.' This modern scientific word [is derived] from a Latin scientific word in use in the late Roman republic of the 1st century BC: solstitium. Pliny uses it a number of times in his Natural History with the same meaning that it has today. It contains two Latin-language morphemes, sol, 'sun', and -stitium, 'stoppage.'
"During the northern solstice, places on the Arctic Circle will see the Sun just on the horizon at midnight, and all places north of the Arctic Circle will see the Sun above the horizon for 24 hours, an entire day. That is the midnight sun, or midsummer-night, or polar day. Places on the Antarctic Circle will see the Sun on the horizon at midday, and all places south of the Antarctic Circle will not see the Sun above the horizon at any time of day. That is the midnight sun, or midsummer-night sun, or polar day. That is the polar night. During the solstice in December the effects on the two hemispheres are exactly the opposite."
On Feb. 5, 2006, Cassini took the photograph below of two of Saturn's moons, the tiny, frozen Enceladus set against the smoggy, golden Titan.
And here are two more of Saturn's moons, the smaller moving in back of the larger, emerging on the right.