One complete circle of Earth's precession takes roughly how many years?
A36000
B46000
C26000
D16000
Answer & Solution
Correct answer: C. 26000
1. The axis wobbles very slowly.
2. One full circle needs about twenty six thousand years.
3. So the answer is 26000.
_Source: OpenStax Astronomy 2e, Chapter 2, Observing the Sky: The Birth of Astronomy._
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