Showing results for "red shift"

• a variation of redshift.

red shift

Scientific  

1. See under Doppler effect

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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.

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red shift

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

Its value is determined by taking the slope of a graph of velocity versus distance, obtained from red shift measurements, such as shown in Figure 34.5.

From Textbooks ● Aug. 12, 2015

Figure 34.5 This graph of red shift versus distance for galaxies shows a linear relationship, with larger red shifts at greater distances, implying an expanding universe.

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