太陽 たいよう系外 けいがい衛星 えうせいでしょう
taiyōkeiga iē seideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 太陽系外衛星

1. Exoplanetary moon; Likely an exomoon

Polite
Presumptive
Conjecture
Astronomy