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  • word of the day

    red shift

    red shift - 365bet中国官方网站 definition and meaning for word red shift

    Definition
    (noun) (astronomy) a shift in the spectra of very distant galaxies toward longer wavelengths (toward the red end of the spectrum); generally interpreted as evidence that the universe is expanding
    Synonyms : redshift

  • Word used in video below:
    text: hardly shift him at all we'll need at
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