Mars Specifications
Mars is the fourth planet from the sun. Mars distance from the sun is between 205 and 249 million km. The diameter of Mars is half that of the earths (6794 km). Its time of rotation is 24.6 hours about Axis. The time of revolution for Mars is 687 days. Mars has two moons and its major features are the Polar Ice Cap, craters and volcanos. Its atmosphere gases are 5% nitrogen and argon and 95% Co2.
No one has ever been to Mars but scientists have sent robots to Mars to collect pictures and samples of the earth. Scientists can also get very good photos of Mars by using telescopes. Hopefully a person will land on Mars one day.
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