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MCQBeginnerAstronomical Instruments & Observations
IAAC — 2022 Final Round
Question 15
Why is it hard to observe the universe with infrared radiation from the Earth’s surface?
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Source
Source: International Astronomy and Astrophysics Competition (IAAC), Final Round 2022. Question wording and answer-choice text are transcribed from the official training PDF; the explanation and metadata are original.