Last Updated：2025/12/08
Sentence
天文学者たちは、地球のような天体がどのように形成されるかを理解するために、岩石惑星を研究しています。
Quizzes for review
Astronomers study rocky planets to understand how Earth-like worlds form.
See correct answer
Astronomers study rocky planets to understand how Earth-like worlds form.
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