ちょうしんせいばくはつ 超新星爆発 LinksSentence search for 超新星爆発Sentence search for ちょうしんせいばくはつKanji details for 超, 新, 星, 爆 and 発Edit in JMdict Noun1. supernova explosionAstronomy Discussions Log in to talk about this word.