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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.
Telescopes equipped with spectrographs enable astronomers to analyze redshift in the light emitted by celestial objects.
The high redshift of quasars suggests they existed in the early stages of the universe.
The universe is constantly expanding, as evidenced by the redshift of distant galaxies.
