Mars is the fourth planet from the sun. This has a distinctive reddish colour to it. The reddish colour is caused by the rust in the soil (iron oxide). Some of the surface features are volcanoes, canyons, riverbeds, cratered terrain and dune fields. Mars has a very interesting feature which is a volcano “Olympus Mons” which is the highest known peek in the solar system it rises 23km (75,000 ft) above the surface. Also there is a grate canyon “Nalles Marineris” which runs about 2,500 miles across Mars surface and reaches a depth of 6km (4m) comparison to Earths Grand Canyon is no more than 1 mile deep so you can see the depth that the canyon go down to. The length of a day on Mars is 24 hours and 37 minuets and rotating on its axis 25degrees which is similar to Earths.

Atmosphere: Mars atmosphere ranges from –113OC at winter to 0OC on the dayside during the summer. The atmosphere is mostly made up of carbon dioxide 95.3%, nitrogen 2.7%, argon 1.6%, oxygen is only 0.13% of the atmosphere with trace amounts of other gases. There is only one-fourth as much water vapour in the atmosphere. The air on Mars is much thinner than Earths at an average pressure of 1/1000 th of Earths. There is little water on Mars so that means that there are rarely any clouds seen on the surface.