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MCQAdvancedCelestial Coordinates & Time
USAAAO — 2020 First Round
Question 5
The Earth’s rotation axis happens to be pointing almost exactly at Polaris now, but Polaris will not always be the North Star. The direction of the rotation axis precesses with a period of 26,000 years. Sometime in the future, star A, which has an angular separation of 26°11′ from Polaris, will be the North Star. How many years from now will star A be the North Star?
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