宇宙 うちゅう せん地球 ちきゅう ごうではありません
uchūsenchikyū gōdewa arimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 宇宙船地球号

1. It is not the spaceship Earth.; It isn't the Earth spaceship.

Negative
Polite
Formal Register