Because it is a satellite - it stays in orbit around Earth.
And it is natural - meaning not made by humans.
The Moon is the natural satellite of the Earth. The Moon does not have satellites.
The Moon is Earth's natural satellite.
A moon is a natural satellite, as opposed to an artificial satellite, which is a man-made object in orbit.
The only natural satellite orbiting Earth is the moon.
A natural satellite that orbits a planet is a moon
The Moon is a natural satellite of the Earth.
Yes, the moon is a natural satellite of the Earth.
The Moon is the natural satellite of the Earth. The Moon does not have satellites.
The moon is the Earth's only natural satellite.
the moon is a natural satellite of the earth
The only natural satellite of the Earth is - the moon.
The Moon is a moon. A natural satellite of the Earth.
Any natural satellite that revolves around a planet. Our Moon is Earth's only natural satellite and the fifth largest satellite in the Solar SystemThe moon refers to the natural satellite of the earth that is usually visible at night.
Earth has one natural satellite, the moon, and numerous artificial satellites, the first of which was called Sputnik, which can deservedly be called Earth's second satellite.
The Moon is Earth's natural satellite.
The moon is the only natural satellite of earth.The Moon.
the earths satelite is called the moon but there are many different names