Last Updated：2025/11/28
Sentence
天文学者たちは、遠方の惑星を取り巻く環状構造を研究し、それらの組成や力学を解明しようとしています。
Quizzes for review
Astronomers study ring systems around distant planets to understand their composition and dynamics.
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Astronomers study ring systems around distant planets to understand their composition and dynamics.
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