* Diameter: 120,660 km. It is about 10 times larger than our Earth
* Temperature: �178�C
* Distance from Earth: At its closest, Saturn is 1190.4 million km * Atmosphere: Hydrogen and helium
* Surface: consists of liquid and gas.
* Rotation of its axis: 10 hours, 40 min, 24 sec
* Rotation around the Sun: 29.5 Earth years
Facts about Planet Uranus
* Diameter: 51,500 km (32,000 miles)
* Temperature: -197.15 C (-322.87� F)
* Orbit: Takes 84 years to
* Average Distance: 2,870,972,200 km (1,783,939,400 miles - 19.2 AU) from Sun
* Mass: 8.6849 x 1025 kg
* Moons: 27
* Period of Rotation: 17.24 hours (retrograde: spins backwards compared to most other planets)
Planet Neptune Facts:
Mass: 17.15 Earth-masses
Number of known satellites: 8
Length of Year: 164.8 Earth-years
Mean Distance from the Sun: 4,500 million kilometers
Mean Orbital Velocity: 5.4 kilometers per second
Length of Day: 16.11 hours, 0.67 Earth-day
Equatorial diameter: 49,500 kilometers Atmospheric components: 74% hydrogen, 25% helium, 1% methane
Moons of Planet Neptune
Neptune has 8 known moons: Triton, Thalassa, Naiad, Despina, Galatea, Larissa, Proteus and Nereid
Triton has the coldest temperatures in the solar system. Voyager observed geysers.
The Great Dark Spot
Voyager 2 observed the Great Dark Spot. Recent observations made with the Hubble Space Telescope indicate that the Great Dark Spot no longer exists.Drone Planets