| >A Journey Through Space< | |
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Mars is the fourth planet from the Sun and the seventh largest. Mars has been known for many centuries and got its name due to its red color. Mars’ orbit is very elliptical. Mars has a highly varied terrain for a terrestrial planet. Mars has two moons, Phobos and Deimos. Mars has a very thin atmosphere composed mostly of carbon dioxide (95.3%) plus nitrogen (2.7%), argon (1.6%) and traces of oxygen (0.15%), and water (0.03%). |