cosmic microwave background

名词 n.
中文释义

英文释义

名词 n.
  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. uncountable
    — Holonyms: cosmic background, cosmic background radiation < electromagnetic radiation < radiation

词形变化

CMB abbreviation

词源

It was originally called the primeval fireball.
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