This occurs when a body like a moon is distorted or stretched due to changes in the gravitational forces it experiences in an elliptical, or oval-shaped, orbit. "Eccentricity drives the tidal heating.

Currently in low lunar orbit, the spacecraft is passing within 60 miles of the moon’s surface and has captured a stunning video as it sweeps over the surface of the moon. “Firefly’s Blue ...

Gonggong is a dwarf planet and a member of the scattered disc beyond Neptune. As of 2019, its distance from the Sun is 88 AU, and it is the sixth-farthest known Solar System object.