Last Updated：2025/11/22
Sentence
遠くの銀河の見かけの明るさを比較することで、天文学者たちはそれらの相対的な距離を推定するのに役立てました。
Quizzes for review
Comparing the apparent brightnesses of distant galaxies helped the astronomers estimate their relative distances.
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Comparing the apparent brightnesses of distant galaxies helped the astronomers estimate their relative distances.
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Related words
apparent brightnesses
English - English
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