The Moon orbits the Earth, so it is called a satellite of Earth. The Moon is a natural satellite. No-one built it or launched it into space.
Gravitational forces between the Moon and the Earth keep the Moon in orbit. The Moon does not produce light. But it does reflect light from the Sun, which is how we are able to see it from Earth. (Only stars produce light and they are called luminous for that reason.)
Phases of the Moon
It takes the Moon 28 days to make a complete orbit of the Earth. As it orbits, we see the Moon lit from different…