RSO has various meanings in the Governmental & Military category. Discover the full forms, definitions, and usage contexts of RSO in Governmental & Military.
Orbital motion about a primary. Process of the Earth circling the sun in its orbit. Revolution determines the seasons, and the length of the year. In addition, differences in seasons occur because of Earth's inclination (tilt on its axis) of about 23.5 degrees as it revolves around the sun. Compare with rotation.
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