Enceladus (E-22) Flyby
4,999 km (3,106 mi)
Dec 19 2015 (SCET)
Dione Before the Rings Saturn's rings are so expansive that they often sneak into Cassini's pictures of other bodies. Here, they appear with the planet in a picture taken during a close flyby of Dione.
Scientists have been exploring Saturn's intriguing moon Enceladus for more than a decade via the Cassini spacecraft. What they've found has surprised them again and again -- here are the top 10 discoveries.