The planet Mars is home to Olympus Mons, the tallest volcano in the solar system. Valles Marineris, also located on Mars, is the largest known canyon found on any planet within the solar system. More »

The surface of Mars contains many unique features, including prominent shield volcanoes, large canyons and caves, pronounced depressions from wind and water erosion and polar caps. In addition to having these features, M... More »

www.reference.com Science Astronomy

Mars has a number of interesting features that make it one of the most studied planets in the solar system. One of the most often noted features of Mars is its reddish color, which earned it the nickname the Red Planet. ... More »

According to Tim Sharp at Space.com, the planet Mars was formed in a similar fashion to every other planet in the Milky Way solar system. The formation occurred when a collection of gas and dust collapsed in on itself an... More »

www.reference.com Science Astronomy Planets

Mars has a number of interesting features that make it one of the most studied planets in the solar system. One of the most often noted features of Mars is its reddish color, which earned it the nickname the Red Planet. ... More »

In multiple civilizations, the planet Mars was named for its red color. The ancient Romans named Mars after their god of war because of its red, blood-like hue. The ancient Greeks named the planet Ares after their war go... More »

www.reference.com Science Astronomy Planets

Mars is the second smallest planet in the solar system, with a diameter of just over 4,212 miles and a circumference of 13,256 miles. Its diameter is about 53 percent that of the Earth. Among the major planets, only Merc... More »