red-shift

英 ['redʃ'ɪft] 美 ['redʃ'ɪft]

• n. 使红移；使向红端作系统位移

英英释义

名词 red shift:

1. (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