A natural satellite is a celestial body that orbits a planet, dwarf planet, or asteroid. The most well-known example is the Moon, which orbits the Earth. Natural satellites can vary in size and composition, ranging from small, irregularly shaped rocks to large bodies like Jupiter's moon Ganymede, which is the largest moon in the solar system. These satellites are formed through various processes, including the capture of objects by a planet's gravity or the debris left over from the formation of a solar system. Natural satellites play a crucial role in influencing their host planet's environment, such as affecting tides and stabilizing axial tilt.