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Synonyms

red shift

Scientific  
  1. See under Doppler effect


red shift Cultural  
  1. In physics, the reddening of light sent out by an object that is moving away from an observer. (See Doppler effect.)


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The red shift that can be observed in light from distant galaxies suggests that the universe is expanding, and thus supports the Big Bang theory.

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

This verification supplies more evidence that red shift is proportional to distance.

From Textbooks • Aug. 12, 2015

Double the distance, and the red shift is doubled.

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

Or the red shift might be a Doppler effect due not to the general expansion of the universe but rather to a more modest and local galactic explosion.

From "Cosmos" by Carl Sagan

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