Last Updated：2025/11/22
Sentence
天文学者たちは超新星の周囲でかすかな反射光のエコーを発見し、何光年も離れた塵の構造を明らかにした。
Quizzes for review
The astronomers discovered a faint light echo around the supernova, revealing dust structures many light-years away.
See correct answer
The astronomers discovered a faint light echo around the supernova, revealing dust structures many light-years away.
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Related words
light echo
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