red shift

or red·shift (rĕd′shĭft′)

An increase in the wavelength of radiation emitted by a receding celestial object as a consequence of the Doppler effect.

[From the fact that the longer wavelengths of light are at the red end of the visible spectrum.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

red shift

An increase in the wavelength of radiation emitted by a receding celestial body as a result of the Doppler effect. Objects appear reddish because the longer wavelengths of light are at the red end of the visible spectrum. Compare blue shift. See Note at Doppler effect.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

red shift

An effect by which the faster an object moves away from Earth the redder its light spectrum becomes.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

red shift - (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

redshift

astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole

propagation - the movement of a wave through a medium

Translations

red shift

n (Phys) → spostamento verso il rosso

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

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