cosmic microwave background

短语

n. 宇宙微波背景; 散布于宇宙空间的微波辐射; 显示了自大爆炸之后; 宇宙在不断冷却的事实。

发音

US

别名

CμB CMB

释义与例句

n.
  1. 1.

    Faint thermal radiation that pervades all space and is thought to be the remnants of the Big Bang, produced during the epoch of recombination.

    不可数 天文

    Holonyms: cosmic background, cosmic background radiation < electromagnetic radiation < radiation

词汇关系

名词

同义词 4

CBR CMB CMBR cosmic background radiation

上位词 1

cosmic radiation

词源

It was originally called the primeval fireball.

来源：wiktionary