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 rotation period is only thirty seven minutes longer than the Earth's. This would explain why Mars has significant seasonal …showed first 75 words of 335 total…

…showed last 75 words of 335 total…degrees K. Mars also has its share of volcanoes. Most of these volcanoes are shield volcanoes. The surface is littered with winding channels that resemble river channels that have dried up over time. Scientists believe that water once existed and caused the formation of these channels. It is said that, " Mars remains the best candidate for life in the solar system outside of the Earth," and that is what makes Mars so interesting to scientists.