About Mars (Info from NASA)- Average Distance from Sun- 142 million miles Average Speed in Orbiting Sun- 14.5 miles per second Diameter- 4,220 miles Tilt of Axis- 25 degrees Length of Year- 687 Earth Days Length of Day- 24 hours 37 minutes Gravity- 0.375 that of Earth Temperature- Average -81 degrees F Atmosphere- mostly carbon dioxide, some water vapor Number of Moons- 2
