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  • word of the day

    cosmic microwave background radiation

    cosmic microwave background radiation - 365bet中国官方网站 definition and meaning for word cosmic microwave background radiation

    Definition
    (noun) (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

  • Word used in video below:
    text: there's a cosmic disaster taking place
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