Mars
By Thomas Dodds
What Is Mars
Planet
Mars is the fourth planet from the Sun and the second smallest planet in the Solar System, after Mercury.
Distance to Earth: 225,300,000 km
Radius: 3,390 km
Distance from Sun: 227,900,000 km
Mass: 639E21 kg (0.107 Earth mass)
Gravity: 3.711 m/s²
Length of day: 1d 0h 40m