SIZE: 4,223 miles (6,796 km)
DISTANCE FROM SUN: 141,600,000 miles (227,900,000 km). Fourth planet from the sun.
ATMOSPHERE COMPOSITION: Carbon dioxide, nitrogen, argon, oxygen, carbon monoxide, neon, krypton, xenon, and water vapor.
TEMPERATURE: -225 degrees Fahrenheit (-143 degrees Celsius) to 63 degrees Fahrenheit (17 degrees Celsius)
ONE DAY: 24 hours and 37 minutes
ONE YEAR: 1 year and 10.5 months
NATURAL SATELLITES: 2
DISTINCTIVE FEATURE: Mar's Polar caps are made of ice, so if they were melted they could support life.