On the Apparent Secular Accelerations of the Moon and the Sun
Abstract
The discussion of tidal friction in the Earth-Moon system given in successive editions ofThe Earth by Jeffreys is shown to contain a serious dynamical error. When the treatment is corrected, it shows that the moment of inertia of the Earth must be changing. The apparent secular accelerations of the Moon and Sun require a diminishing moment of inertia, and the rate is in agreement with the phase-change hypothesis for the nature of the core.
- Publication:
-
Moon and Planets
- Pub Date:
- February 1980
- DOI:
- 10.1007/BF00896870
- Bibcode:
- 1980M&P....22...99L
- Keywords:
-
- Earth-Moon System;
- Secular Variations;
- Solar Terrestrial Interactions;
- Tides;
- Astronomy;
- Moments Of Inertia;
- Astronomy;
- MOON;
- EARTH;
- EARTH-MOON-SUN SYSTEM;
- TIDAL FORCES;
- FRICTION;
- DYNAMICS;
- MOMENTS OF INERTIA;
- ACCELERATION;
- SUN;
- PHASE CHANGE;
- CORES;
- HYPOTHESES;
- VELOCITIES;
- MATHEMATICAL MODELS;
- ANGULAR MOMENTUM;
- Moon