Dione is one of Saturn's moons. It was discovered by Giovanni Domenico Cassini in 1684, and was called Saturn IV until 1847. It is approximately two-thirds ice and water. There is a thin layer of molecular oxygen ions in an exosphere. It has been photographed by the space probes Voyager and Cassini.
106 Dione is a main belt asteroid. It was discovered in 1868 by J.C. Watson.
The name Dione comes from Greek Mythology. Dione was a Titaness and the mother of Aphrodite. It means 'Of Zeus', which refers to the word Goddess. It has never been in the top 1,000 names in the U.S. In 2014, 5 girls were named Dione.