Fast Facts: Mercury

Fast Facts: Mercury
Age About the same age as the Sun: 4.5 billion years
Location Solar system
Avg. distance from the Sun 58,340,000 km (36,250,000 miles)
Diameter 4880 km (3032 miles)
Mass 3.30 x 1023 kg
Orbital period around the Sun 0.24 Earth years (88 Earth days)
Number of moons 0
Distinguishing features Temperature variations on Mercury are the most extreme in the solar system ranging from –170º C (–270º F) to 430º C (800º F). Its solid surface is covered with craters and it has almost no atmosphere. There is evidence of ice in the protected shadows of craters near the north pole.
Mercury
Craters on the surface of Mercury (image courtesy of NASA)

Fast Facts: Mercury