Part 1 of Essay
Mars is the fourth furthest away from the sun and is recognized by its reddish color. Mars is also very much like the Earth. " More than any other planet in the solar system, Mars has characteristics that make it an Earth-like world "(Grolier, 1992). One thing that is very similar to Earth is the rotation period. Mars rota ....

Part 2 of Essay
.... nitrogen, argon, water vapor and oxygen. Mars also has no magnetic field. " Because the atmosphere of mars is so thin, wind velocities up to several hundred Km per hour are required to raise the dust particles during a dust storm, and these fast- moving particles erode structures with a sand-blasting effect " (Grolier, 1992). Therefore, the surface is basically plain-like and covered with large craters. There are also some areas where the rock is " jumbled." The poles of Mars are iced over and the temperature is ....