Cool Space Facts

A collection of cool facts about the Sun and all the planets in our solar system (sorry Pluto).

  1. The Sun makes up 99.86% of the Solar System’s mass.
  2. Mercury is named after the Roman messenger to the Gods.
  3. Venus spins in the opposite direction to most planets.
  4. The Earth is 149,598,262 km from the Sun.
  5. Mars is home to Olympus Mons the solar system’s tallest volcano.
  6. Jupiter is large enough for the Earth to fit inside 1,000 times.
  7. Saturn has the second largest moon in the solar system, Titan.
  8. Uranus is the coldest planet in the solar system.
  9. Neptune orbits the Sun once every 165 years.