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Definitions

red shift

NOUN
shift in galaxy spectra
Synonyms


Example Sentences

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The red shift indicates a change in the electronic structure or optical properties of the material.

From Science Daily • May 3, 2024

All galaxies farther away than about 50×106 ly exhibit a red shift in their emitted light that is proportional to distance, with those farther and farther away having progressively greater red shifts.

From Textbooks • Aug. 12, 2015

But such gravitational lensing is also useful in verifying that the red shift is proportional to distance.

From Textbooks • Aug. 12, 2015

The explanation is that there is a cosmological red shift due to the expansion of space itself.

From Textbooks • Aug. 12, 2015

The most obvious explanation of the red shift was in terms of the Doppler effect: the galaxies were receding from us; the more distant the galaxy the greater its speed of recession.

From "Cosmos" by Carl Sagan