地球 ちきゅう観測 かんそく衛星 えうせいでしょう
chikyūkansokueuseideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 地球観測衛星

1. Earth observation satellite, likely.; Probably an Earth observation satellite.

Polite
Presumptive
Conjecture