Mars

Mars is the fourth planet from the Sun, known as the Red Planet.

Mars has the largest volcano in the solar system, Olympus Mons, and ice caps at its poles.

Mars Facts

• Diameter: 6,779 km
• Mass: 6.42 × 10^23 kg
• Moons: 2
• Distance from Sun: 227.9 million km
• Orbit Period: 687 days
• Surface Temperature: -125°C to 20°C