jreibun/1133/3
- しつりょう質量 の大きな
- こうせい恒星 が最後に起こす
- ばくはつ爆発 を
- ちょうしんせい超新星
- ばくはつ爆発 と呼ぶ。
The explosion caused by a massive star at the end of its life cycle is called a supernova explosion.
— Jreibun
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