Home > Term: precession of the equinoxes
precession of the equinoxes
The circular wobble in the Earth's axis. The planet spins unevenly like a top on a table, pulled on by the sun and moon. It takes approximately 26,000 years to accomplish one complete wobble. Because of it, the spring equinox--the point where the Sun crosses the celestial equator late every March--appears from the earthly point of view to be sliding out of the constellation of Pisces and into Aquarius.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Biology
- Category: Ecology
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