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MCQBeginnerCelestial Coordinates & Time
BAAO — 2021 Astronomy & Astrophysics Challenge
Question 4
For which of these lines of latitude will a vertical stick in the ground have no shadow at local midday on 21st December 2021?
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Source
Source: British Astronomy and Astrophysics Olympiad (BAAO), Astronomy & Astrophysics Challenge 2021. Question text, answer-choice text, and answer were transcribed from the official BAAO paper and solutions PDFs; the explanation and metadata are original.