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Mars : observations. Hector Lepage Thomas Constantin Tiphaine Willocq Melissa Pommier. Mars characteristics. Diameter : 6794 kilometres Weight : 6.42 billion tonnes Mars is the fourth planet and the seventh biggest one of the solar system.
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Mars : observations Hector Lepage Thomas Constantin Tiphaine Willocq Melissa Pommier
Mars characteristics Diameter : 6794 kilometres Weight : 6.42 billion tonnes Mars is the fourth planet and the seventh biggest one of the solar system.
Distance Earth-Mars : 0.37 astronomic unit (a.u) • Gravity : 1/3 of the Earthgravity • 2 satellites : -Phobos • -Deimos
It makes a turn on itself in 24 hours and 37 minutes. • It makes the turn of the sun in 687 days. • It is tilted at 24°.
There are many craters because a lot of stars fall on Mars .
Atmosphere of Mars • Highest temperature : - 3°C • Lowest temperature : - 133°C • Average temperature : -63°C
Gas : - 95.3 percent of carbon dioxide • - 2.7 percent of nitrogen • - 1.6 percent of argon • - 0.15 percent of oxygen • - 0.03 percent of water
There is no greenhouse effect on Mars. • The surface is radioactive because of the cosmic sun rays.