Mars
- has a diameter of 6,787 kilometres
- is 228 million kilometres from the sun
- takes 24 hours to spin once on its own axis
- takes 2 years to orbit the sun
- has 2 moons, Phobos and Deimos
- has a surface temperature of –23 degrees Celsius.
The atmospheric composition of Mars is 96% Carbon Dioxide and 3% Nitrogen. It also contains traces of Sulphur Dioxide, Water Vapour, Carbon Monoxide, Argon, Helium and Neon.
This is a picture of the moon Phobos.