Last Updated：2025/12/01
Sentence
天文学者たちは紫外線の波長で輝く青色矮星を観測し、既存のモデルに疑問を投げかけた。
Quizzes for review
Astronomers observed blue dwarfs glowing in ultraviolet wavelengths, challenging existing models.
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Astronomers observed blue dwarfs glowing in ultraviolet wavelengths, challenging existing models.
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