By approximately how much does the precession of the equinoxes shift the apparent position of constellations relative to fixed equinox points over 72 years?
Answer
About one degree
The text notes that the slow wobble in Earth's axis causes the precession of the equinoxes, resulting in a shift of about one degree every 72 years.
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The Ecliptic: Crash Course Kids #37.2 - YouTube
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