Last Updated：2025/12/04
Sentence
年次観測では、天文学者は観測者の運動によって引き起こされる光行差を慎重に補正して星の真の位置を特定した。
Quizzes for review
During the annual observations, the astronomer carefully corrected for the aberration of light to determine the stars' true positions.
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During the annual observations, the astronomer carefully corrected for the aberration of light to determine the stars' true positions.
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