| 单词 | redshift |
| 释义 | redshift /red"shift'/, n. Astron. a shift toward longer wavelengths of the spectral lines emitted by a celestial object that is caused by the object moving away from the earth. Also, red shift. Cf. cosmological redshift, Doppler effect, gravitational redshift. [1920-25; RED1 + SHIFT] |
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