cosmic microwave background radiation

英 美
  • 第二讲宇宙微波背景辐射
  • background n.背景;经历;幕后;后景vt.提供背景
  • cosmic adj.宇宙的;广大无边的;无限的
  • microwave n.微波;微波炉vt.用微波炉加热
  • radiation n.辐射;放射线
Noun:
  1. (cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2.725 kelvin