超ちょう新しん星せい残ざん骸がい

noun

supernova remnant; SNR

Technical term in astronomy for the expanding shell of gas and dust left after a supernova explosion.

• かに星せい雲うんは有ゆう名めいな超ちょう新しん星せい残ざん骸がいです。

  The Crab Nebula is a famous supernova remnant.