What is the meaning of redshift?

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. (.
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APAWordNet. (2010). redshift. Retrieved September 22, 2026, from http://smartdefine.org/redshift/definitions/1305959
ChicagoWordNet. 2010. "redshift" http://smartdefine.org/redshift/definitions/1305959 (accessed September 22, 2026).
HarvardWordNet 2010, redshift, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/redshift/definitions/1305959>.
MLAWordNet. "redshift" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/redshift/definitions/1305959>