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单词 red shift
释义

red shift

noun
Astronomy the displacement of spectral lines towards longer wavelengths (the red end of the spectrum) in radiation from distant galaxies and celestial objects. This is interpreted as a Doppler shift which is proportional to the velocity of recession and thus to distance.
【天文】红移。比较BLUE SHIFT.
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更新时间:2025/8/6 3:04:11