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MCQBeginnerStars & Stellar Evolution
IAAC — 2021 Final Round
Question 10
The closest star system to the Earth is called Alpha Centauri. How many stars belong to the Alpha Centauri system?
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Source
Source: International Astronomy and Astrophysics Competition (IAAC), Final Round 2021. Question wording and answer-choice text are transcribed from the official training PDF; the explanation and metadata are original.