\<COLOUR 1> TEMPERATURE: \<COLOUR 0> Average -23 degrees C
\<COLOUR 1> MOONS: \<COLOUR 0> 2
\<COLOUR 1> COMMENTS: \<COLOUR 0> Mars, the Red Planet, was once considered the one most likely to harbour some kind of life, but studies from space have ruled this out; first investigated by Mariner 4 in 1965, it has since been visited by other Mariners, Mars and Vikings.