9/8/2023 0 Comments Desert zone wars 4.0![]() ![]() ![]() It is not known whether life has ever existed on Mars. In the distant past, Mars was likely wetter, and thus possibly more suited for life. Both of Mars's polar ice caps appear to be made largely of water. Liquid water on the surface of Mars cannot exist due to low atmospheric pressure, which is less than 1% of the atmospheric pressure on Earth. Days and seasons on Mars are comparable to those of Earth, as the planets have a similar rotation period and tilt of the rotational axis relative to the ecliptic plane. The Borealis basin in the Northern Hemisphere covers approximately 40% of the planet and may be a large impact feature. Some of the most notable surface features on Mars include Olympus Mons, the largest volcano and highest-known mountain in the Solar System, and Valles Marineris, one of the largest canyons in the Solar System. Mars has two small, irregularly shaped moons, Phobos and Deimos. Mars has surface features such as impact craters, valleys, dunes, and polar ice caps. Mars is a terrestrial planet with a thin atmosphere and has a crust primarily composed of elements similar to Earth's crust, as well as a core made of iron and nickel. In the English language, Mars is named for the Roman god of war. ![]() Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, larger only than Mercury. ![]()
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