宇宙 うちゅうマイクロ 背景 はいけい放射 ほうしゃだったら
uchūmaikurowa haikeihōshadattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 宇宙マイクロ波背景放射

1. If it were the cosmic microwave background radiation.; Were it the cosmic microwave background radiation.

Tara Conditional