55,906,990.447 square miles.
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Mars has a total land area of approximately 55.9 billion acres.
Mars has weaker gravity compared to Earth. The gravitational pull on Mars is about 38% of that on Earth, which means objects weigh less on Mars than they do on Earth.
The planet Mars was named by the ancient Romans after their god of war, Mars.
Mars has a crust that varies in thickness from 24 to 72 kilometers, a mantle composed of silicate minerals, and a core that is believed to be partially molten and made of iron and nickel. The core makes up about 50% of Mars's radius, but it is smaller relative to the planet's size compared to Earth's core.
The planet Mars is known for its reddish surface due to iron oxide, or rust, in its soil. This gives the planet its distinctive red appearance.