地球 ちきゅう類似 るいじ せい指標 しひょうでしょう
chikyūruiji seishi hyōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 地球類似性指標

1. Likely Earth Similarity Index; Probably Earth Similarity Index

Polite
Presumptive
Conjecture