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MCQIntermediateCelestial Coordinates & Time2 parts
USAAAO — 2024 First Round
Questions 11–12
This question has 2 parts that build on each other. Answer both — it only counts as correct if every part is right.
Part AQuestion 11
Joe lives at the bottom of a vertical cylindrical hole with a radius of 10 m at a depth of 10 km below the surface. He sees the Sun directly through the opening of the hole for a couple days twice a year, around November 2nd and February 9th. Which of the following is Joe’s latitude?
Part BQuestion 12
In the same scenario as the question above, what is the longest possible time interval that direct sunlight reaches anywhere in the bottom of the hole in a single day?
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Answer both parts to check. Both must be correct to count as correct.
Source
USAAAO 2024 First Round, Question 11. Question text, choices, and answer were transcribed from the official USAAAO exam and solutions PDFs.