Mercury lies at an average distance of 58 million km from the Sun.
The diameter of Mercury is 4880 km.Its average distance from the sun is 57.9 million km.It takes 59 days for Mercury to rotate.And 88 days to orbit the sun.
Mercury rotates at just two degrees off of its axis.
The surface of Mecury looks like the surface of the Earth's moon. It is covered with mountains, craters, ridges and valleys.
Mercury speeds around the Sun at thirty miles per second.
In greek mythology, Mercury is known as Hermes, the messenger of the Gods. The planet was probably given this name because of how quickly it notes across the sky.
Temperature variations on Mercury are the most extreme in the Solar System, ranging from -183 degrees Celsius (because Mercury spins so slowly it gets very cold at night) to 427 degrees Celsius (because it is the closest planet to the Sun).
Mercury has no moons.
