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MCQBeginnerCelestial Coordinates & Time
IAAC — 2019 Final Round
Question 5
The axis of the Earth is tilted at an angle of approximately ... relative to the orbital plane around the Sun.
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Source
Source: International Astronomy and Astrophysics Competition (IAAC), Final Round 2019. Question wording and answer-choice text are transcribed from the official training PDF; the explanation and metadata are original.