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MCQIntermediateSolar System & Planetary Science
BAAO — 2016 Astronomy & Astrophysics A2 Challenge
Question 6
Given an overwhelmingly large piece of paper, with a thickness of 10 μm, approximately how many times do you need to fold it in half (theoretically!) for the thickness of the final stack to reach from Earth to the Sun (1 AU)?
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Source
Source: British Astronomy and Astrophysics Olympiad (BAAO), Astronomy & Astrophysics A2 Challenge 2016. Question text, answer-choice text, and answer were transcribed from the official BAAO paper and solutions PDFs; the explanation and metadata are original.