宇う宙ちゅう背はい景けい放ほう射しゃ

noun

cosmic background radiation

Technical term in astronomy and cosmology; refers to the faint electromagnetic radiation that fills the universe, especially the cosmic microwave background (CMB).

• 宇う宙ちゅう背はい景けい放ほう射しゃはビッグバンの名残なごりと考かんがえられている。

  Cosmic background radiation is thought to be a remnant of the Big Bang.