NASA's Voyager 1 flew past Saturn in 1980 and, along with Voyager 2, which reached the planet in 1981, snapped nearly 16,000 images of Saturn, its rings and its moons.

The planet's high-speed spin causes Saturn to bulge at its equator and flatten at its poles. The planet is around 75,000 miles (120,000 kilometers) across at its equator, and 68,000 miles (109,000 ...

Counting Saturn's new moons, there are 289 moons among the eight planets in the solar system and Pluto, which has five. Pluto was reclassified as a dwarf planet from a full-size one by the ...