As indicated by the giant impact hypothesis,the Moon was shaped because of a crash among Earth and a Mars-sized object approximately 4.5 billion years prior. As of now, Earth and alternate planets of the Close planetary system had quite recently framed and were liable to movement. At the point when the Mars-sized planet (known as Theia) crashed into Earth, it kicked up a colossal measure of flotsam and jetsam that in the end shaped the Moon.

The Moon step by step accepted its present circle around Earth and turned out to be tidally bolted with it. That implies that on account of Earth's gravitational impact, the Moon's pivot coordinates its orbital period. This outcomes in a single side of the Moon being pointed towards Earth constantly (while the opposite side is known as the "Dull Side" since it faces from us). Here's a decent video that clarifies how this functions:

Another manner by which vast bodies get moons is by gaining them. This is the situation for Neptune's moon Triton, which was at one time a protest in the Kuiper Belt that got kicked out and caught by Neptune. Beside Theia, Earth has had no nearby experiences with any huge questions other than space rocks. Furthermore, since no contacts with planet-sized articles have occurred from that point forward it is possible that, it never shaped or procured any more moons.