ちょう新星 しんせい爆発 ばくはつでしょう
chōshin sei bakuhatsudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 超新星爆発

1. Probably a supernova.; It will likely be a supernova.

Polite
Presumptive
Conjecture
Astronomy