(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
red shift的用法和样例:
例句
The cosmological redshift is not a normal Doppler shift. 宇宙学的红移并不是平常的都卜勒偏移。
From the extent of the red shifts the recession velocities can be computed. 从红移量可以计算退行速度。