じゅん恒星 こうせい じょう天体 てんたいじゃありませんでした
junkōseijōtentaijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 準恒星状天体

1. Was not a protostellar object.; Was not a pre-stellar object.

Past/Perfective
Negative
Polite
Terminal Form
Astronomy