uchūhaikeihōshadeareba
1. if it is cosmic background radiation; when it is cosmic background radiation
Noun
#240623
1. if it is cosmic background radiation; when it is cosmic background radiation
1. radiation
1. (outer) space
1. radioactivity
1. space development; space exploration
1. astronaut
1. National Space Development Agency; NASDA
1. radioactive
1. radiation; emission