Last Updated：2025/11/29
Sentence
天文学者たちは、遠方の恒星という固定された背景を考慮するために、その星の位置を恒星に基づいて測定した。
Quizzes for review
Astronomers measured the star's position sidereally to account for the fixed background of distant stars.
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Astronomers measured the star's position sidereally to account for the fixed background of distant stars.
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