【天文史上初】星が死にゆく最後の瞬間、超新星爆発をリアルタイムで観測 #4

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Final Moments. I. Precursor Emission, Envelope Inflation, and Enhanced Mass Loss Preceding the Luminous Type II Supernova 2020tlf - IOPscience
https://iopscience.iop.org/article/10.3847/1538-4357/ac3f3a