The role that gravitation played in the formation of the moon after the large planetesimal hit earth is discussed below in details.
Explanation:
The giant-impact theory. It suggests that the Moon created when contact between the Earth and different small planet, about the dimension of Mars. The ruins from this collision obtained in an orbit around Earth to create the Moon.
This collision appeared in the rocky exterior matter being blasted outward from the Earth, some of which accreted to create the Moon.
