Archiv: Moon

10.08.2021 - 13:08 [ International Earth Rotation and Reference Systems Service - ]

Measuring the irregularities of the Earth’s rotation

The variability of the earth-rotation vector relative to the body of the planet or in inertial space is caused by the gravitational torque exerted by the Moon, Sun and planets, displacements of matter in different parts of the planet and other excitation mechanisms.