褐色 かっしょく矮星 わいせいじゃなかったです
kasshokuwaiseijanakattadesu

Noun
Desu Copula

The polite, past negative form of 褐色矮星

1. Was not a brown dwarf.; Wasn't a brown dwarf.

Past/Perfective
Negative
Polite
Casual Register
Astronomy