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Definitions from the Web

Redshift

Noun:

1. A shift in the spectrum of light towards longer wavelengths, usually caused by the motion of an object away from the observer.
2. (Physics) The displacement of spectral lines towards longer wavelengths in the radiation emitted by a celestial object, indicating that it is moving away from the observer.
3. (Astronomy) The measure of the velocity of a distant celestial object based on its redshift.

Example Sentences:

1. The redshift observed in the light from distant galaxies suggests the universe is expanding.
2. According to the redshift, the galaxy is moving away from us at a rapid rate.
3. The redshift measurements help astronomers determine the velocity and distance of celestial objects.

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