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Mars

     Several space probes have flown past or landed on Mars, providing information on its atmosphere and features, such as the volcano Olympus Mons. This stands 27 km high –more than three times the height of Mount Everest. The latest craft to visit the red planet is Mars Reconnaissance Orbiter, which began a four-year orbit in 2006. NASA’s Phoenix Mars landed in May 2008.







Diameter: 6,794 km

Mass: 6,421,900,000,000 tonnes

Average distance from Sun: 227,940,000  km

Rotation: 1.025957 days

Orbit: 686.98 days

Average temperature: -63◦C

Moons: 2

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