白色 はくしょく矮星 わいせいじゃありませんでした
hakushokuwaiseijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 白色矮星

1. Was not a white dwarf.; It was not a white dwarf.

Past/Perfective
Negative
Polite
Terminal Form
Astronomy