gravity
The force that keeps the moon in orbit around the Earth is gravity. Specifically, the gravitational pull between the Earth and the moon is what keeps the moon in its elliptical orbit.
The earth is six times more massive than the moon. That keeps the moon in orbit around it, just as the mass of the sun keeps the earth in orbit around it.
The balance between the inertia of the Moon and the gravitational pull keeps the moon in orbit with Earth.
The moon keeps moving in its orbit around the Earth due to its inertia and the gravitational pull of the Earth. There is a balance between the moon's velocity and the gravitational force that keeps it in a stable orbit.
The influence that keeps the Earth and the Moon in their respective orbits is gravity. Gravity is the force of attraction between two objects with mass, such as the Earth and the Moon, that keeps them moving in their paths around each other.
The attraction of gravity between the Earth and the Moon.
That's the mutual force of gravitation (gravity) between the Earth and the Moon. This, combined with the Moon's velocity (its inertia), results in the orbital path that the Moon follows.
it keeps the earth from being LIGHT all the time
The gravitational pull of the earth. Gravity from the Earth pulls the moon towards it.
The Earth.
The moon orbits the earth, it could be said that it is falling down, but it keeps missing the earth. (Over simplified).
Gravity.