2024年11月3日 · Dione is a small moon of 349 miles (562 km) in mean radius orbiting Saturn every 2.7 days at a distance of 234,500 miles (377,400 km), which is roughly the same distance that our Moon orbits Earth.

2011年6月18日 · Dione, moon of Saturn, photographed by NASA's Voyager 1, November 10, 1980, from a distance of 670,000 km (417,000 miles). The large bright streaks may be the result of large-scale fracturing in the satellite's surface.

The Dione moon is about one third of the size of Planet Earth, and is the 15th largest moon in the Solar System. Dione is one of the better known inner moons of Saturn and with a diameter of around 697 miles (1122 kilometers).

2009年3月5日 · Dione, at 1,123 kilometers (about 698 miles) across, is the fourth largest of Saturn’s moons. This view looks toward the trailing hemisphere of Dione. North on Dione is up and rotated 7 degrees to the right. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Dec. 31, 2008.

2018年8月24日 · Dione is the fourth-largest moon of Saturn, with a diameter of 698 miles (1,123 kilometers). It is the 15th largest moon in the solar system. Dione orbits around Saturn once every 2.7...

Discovered in 1684 by Giovanni Cassini, Dione is the 15th largest moon in the solar system. It is composed primarily of water-ice and is very similar to its neighbouring moons Rhea and Tethy s which also orbit close to Saturn.

Dione is one of the moons of the planet Saturn. Its surface is heavily cratered, has ice cliffs and a subsurface liquid ocean. For a listing of other moons, see Moons of the Planets.

2015年10月30日 · Saturn’s Moon Dione Thanks to the Cassini mission, a great deal has been learned about Saturn’s system of moons (aka. the Cronian system) in the past decade.

Dione [dy-OH-nee] is the twelfth of Saturn's moons. It was named after the mother of Aphrodite and Zeus in Greek mythology (Venus and Jupiter in Roman). Dione was discovered in 1684 by Giovanni Cassini. Just about everything we know about this moon was learned from the …

2025年1月28日 · Dione is a moon that orbits the planet Saturn and has a surface area of 3,964,776.51 and semi-major axis of 377.4.