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cosmological redshift
noun
the part of the redshift of celestial objects resulting from the expansion of the universe.
Example Sentences
Applying the principle of the cosmological redshift placed the quasar at a distance more than 2 billion light-years away.
He found his explanation in a phenomenon that science knows as the cosmological redshift.
If a galaxy is too far out, its optical light is shifted outside the visible range and into the infrared regime; this is a consequence of the cosmological redshift, in which the expansion of the universe stretches out the wavelengths of light traveling through enormous expanses of intergalactic space.
The distance to a galaxy is measured with an ingenious technique based on the concept of cosmological redshift, which arises from the expansion of the universe: the more distant a source is, the faster it moves away from us, and the receding velocity of these faraway galaxies shifts the wavelengths of their spectra.
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