Last Updated：2025/12/02
Sentence
天文学者はしばしば若い低質量の前主系列星を研究して、恒星進化の初期段階を理解しようとします。
Quizzes for review
Astronomers often study T Tauri stars to understand the early stages of stellar evolution.
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Astronomers often study T Tauri stars to understand the early stages of stellar evolution.
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