Mars Mars,is a planet in the solar system.I'ts named for the Roman god of war Ares.Mars is the fourth planet from the sun.Mars has two small heavily craterd moons,Phobos and deimos,astronomers think they are areastroid like objects captured by the planet very early in history.Phobos is about 13 miles across;Deimos,is only 7.5 miles.Mars not on a telescope, Mars is a reddish varying in brightness.At its closes …showed first 75 words of 496 total…

…showed last 75 words of 496 total…yellow clouds, having of dust lifted by Martian winds, are especially prominent during southern summers. The Martian atomosphere consists of carbon dioxide 95%, nitrogen 2.7% argon 1.6% oxyen 0.25%, trace amounts of water vapor, carbon menoxide, and other noble gases. Mars summer temperatures may reach most 63 degrees but on average daily temperature on the surface is -27 degrees.Because of the thiness of the atomsphere.Daily tempeture varations of 180 degress are common poleward temperatures remain cold enough -189 degrees.