Discover Mars
Mars, often referred to as the Red Planet, is the fourth planet from the Sun and the second-smallest planet in the solar system. Named after the Roman god of war, it is known for its reddish appearance, which is due to the iron oxide prevalent on its surface.
Quick Facts:
- Diameter: 6,779 km
- Temperature: -80 degrees Fahrenheit on average
- Mars has two moons: Phobos and Deimos.
For more information about Mars missions, visit Mars Missions.
Curious about other planets? Check out our planet guide.
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