YOU SAID:
A Dyson Sphere is a Hypothetical Megastructure
INTO JAPANESE
ダイソン球は架空のメガストラクチャーです
BACK INTO ENGLISH
The Dyson sphere is a fictitious megastructure
INTO JAPANESE
ダイソン球は架空の巨大構造物です
BACK INTO ENGLISH
The Dyson sphere is a fictitious megastructure
Come on, you can do better than that.