NASA Reveals New Close-Up Image of Dione

This close-up view of Dione was taken by NASA’s Cassini robotic probe during its flyby of this icy moon of Saturn on August 17, 2015. The August 17 flyby is the last close encounter with Dione during Cassini’s mission. The main goal of this flyby was to use Cassini as a probe to measure the [...] —> Read More