Saturn is a large planet with 62 known moons and extensive rings composed mostly of hydrogen. It has a mass of over 568 trillion trillion kg, an equatorial diameter of 120,536 km, and surface temperatures as low as -139°C. Saturn can be seen with the naked eye and is known for being the flattest planet as well as having the most extensive rings of any planet in the solar system.

2.  Mass: 568,319,000,000,000,000 billion kg
 Equatorial Diameter: 120,536 km
 Known moons: 62
 Surface temperature: -139°C

4.  can be seen with the naked eye
 Flattest planet
 Orbits the sun every 29.4 earth years
 Four space crafts have visited Saturn
 Has most extensive rings of all planets
 Made of mostly hydrogen