red shift
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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
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Its principal task was to show that the gravitational pull of the sun increased the wavelength of light rays, the so-called red shift, which would help verify Einstein’s theory of relativity.
From The Wall Street Journal ● Jul. 24, 2026
The red shift indicates a change in the electronic structure or optical properties of the material.
From Science Daily ● May 3, 2024
He then found that all but the closest galaxies have a red shift in their hydrogen spectra that is proportional to their distance.
From Textbooks ● Aug. 12, 2015
While this cosmological red shift is often called a Doppler shift, it is not—space itself is expanding.
From Textbooks ● Aug. 12, 2015
So it predicted that the red shift of a galaxy should be directly proportional to its distance from us, exactly as Hubble found.
From "A Brief History of Time: And Other Essays" by Stephen Hawking
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
