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单词 Cosmic Microwave Background Radiation
释义
Cosmic Microwave Background Radiation
Cosmic microwave background radiation (or CMB for short) is the “afterglow” of the Big Bang, a microwave radiation which still uniformly permeates all of space at a temperature of around -270°C (about 3° above absolute zero). It is considered to be the best evidence for the standard Big Bang model of the universe.
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