In partnership with the Faulkes Telescope Project
Impact craters are made when a space rock (called a meteorite or asteroid) hits a rocky planet or moon. The impact makes a round hole in the surface, called a crater.
A satellite is an object which orbits another. An orbit is the curved path that an object in space takes around another object.
Many years ago, a mathematician named Johannes Kepler created a set of rules explaining planets' movement in our Solar System.