• Mars is the seventh largest planet in the Solar System.
  • Temperatures on Mars vary from a maximum of 0 degrees C to minimum -100 degrees C.
  • Mars has polar caps like Earth, containing frozen carbon dioxide (and small amount of water).
  • Mars has seasons like Earth. This is caused by the tilt of the planet's axis, at a similar angle to the tilt of Earth's axis.
  • The largest volcano in the Solar System is on Mars. It is called Olympus Mons.