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physical phenomena > process > physical process > motion > regression of the nodes |
regression of the nodes | ||||
subject | fact |
regression of the nodes | has definition The slow (19°.35 per year, 360° in 18.6 years), westward motion of the nodes of the Moon's orbit due to perturbations of the Earth and Sun. | |
is a kind of motion | ||
physical process | has domain physics |