What is the meaning of red shift?

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. (.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). red shift. Retrieved September 23, 2026, from http://smartdefine.org/red_shift/definitions/1235778
ChicagoWordNet. 2010. "red shift" http://smartdefine.org/red_shift/definitions/1235778 (accessed September 23, 2026).
HarvardWordNet 2010, red shift, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/red_shift/definitions/1235778>.
MLAWordNet. "red shift" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/red_shift/definitions/1235778>