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Redshift
01
the shift of light waves towards longer wavelengths, indicating the motion of an object away from the observer, commonly observed in the spectra of distant celestial bodies
Example
Astronomers use redshift measurements to determine the velocity and distance of galaxies in the universe.
The observation of redshift in a star's spectrum indicates its motion away from Earth.
word family
red
shift
redshift
redshift
Noun
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