BabelNet

bn:00066689n

Noun Concept

Categories: Physical cosmology, Effects of gravitation, Astronomical spectroscopy, Physical quantities, Concepts in astronomy

red shift redshift blue-shift blue shift Blue shifting

(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

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In physics, a redshift is an increase in the wavelength, and corresponding decrease in the frequency and photon energy, of electromagnetic radiation. Wikipedia

Phenomenon in physics, especially astrophysics Wikipedia Disambiguation

A phenomenon that occurs when light seen coming from an object that is moving away is proportionally increased in wavelength, or shifted, to the red end of the spectrum Wikipedia Disambiguation

Relative increase in wavelength of electromagnetic radiation in the emission spectrum of astronomical objects Wikidata

Light spectra shifted towards red, as by elongation of light waves from a source moving away from the detector. Wiktionary

A change in the wavelength of light, in which the wavelength is longer than when it was emitted at the source. Wiktionary

Change in wavelength. Wiktionary (translation)

IS A

propagation

law

physical quantity

HAS KIND

gravitational redshift

photometric redshift

CALCULATED FROM