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Martians are coming,
Mars is the fourth planet from the sun.
It is often called the red planet because iron oxide on its surface gives it a reddish color.
Mars has similar seasons to those we have on Earth (because its axis has a similar tilt as Earth’s), except that the seasons last about twice as long. A year on Mars, or one complete trip around the Sun, also takes Mars about twice as long as Earth- 686 days.
It is believed that Mars once supported water and oceans on its surface, but now there is only ice at its polar ice caps. Mars has two moons:
In the coming years, NASA and other groups will send new rovers to Mars to gather more information. Click here for a video of Curiosity, NASA’s latest Mars rover: