Fast Facts:

  • fifth planet from the Sun
  • average distance from the Sun is 778 million km
  • average temperature is -150 degrees Celsius
  • diameter at equator is 142,800km
  • number of moons is 16
  • length of day is 9hrs 50mins
  • length of year is 11.9 Earth years
  • atmosphere is made up of hydrogen and helium
  • nearest distance to Earth is 630 million km