Last Updated：2025/12/04
Sentence
天文学者たちは数日でほとんど暗くなってしまう、急速進化する明るい一過性天体を研究した。
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Astronomers studied a fast-evolving luminous transient that dimmed almost completely within a few days.
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Astronomers studied a fast-evolving luminous transient that dimmed almost completely within a few days.
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Related words
fast-evolving luminous transient
Noun
Japanese Meaning
天文学における現象で、比較的弱い超新星の一種です。輝く外層が急速に冷却して、数日以内に暗くなる一過性の天体を指します。
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