Last Updated：2025/11/20
Sentence
天文学者は吸収線と光度を解析して、その星の分光分類を決定した。
Quizzes for review
The astronomer determined the star's spectral class by analyzing its absorption lines and luminosity.
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The astronomer determined the star's spectral class by analyzing its absorption lines and luminosity.
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Related words
spectral class
Noun
Japanese Meaning
天文学において、星のスペクトルと輝度に基づいて、星の性質を分類するためのカテゴリー。通常、O, B, A, F, G, K, M の7種類が用いられる。
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