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redshift
(redirected from Redshifted)

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redshift

Displacement of the spectrum of an astronomical object toward longer wavelengths (visible light shifts toward the red end of the spectrum). In 1929 Edwin Hubble reported that distant galaxies had redshifts proportionate to their distances (see Hubble's constant). Since redshifts can be caused by motion of an object away from the observer (the Doppler effect), Hubble concluded that all galaxies are receding from each other. This became the cornerstone of theories of an expanding universe.

redshift [′red‚shift]
(astrophysics)
A systematic displacement toward longer wavelengths of lines in the spectra of distant galaxies and also of the continuous portion of the spectrum; increases with distance from the observer. Also known as Hubble effect.
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So each wavelength of redshifted 21-centimeter radio emission corresponds to a different era in the early universe.
Windows on the universe: astronomy's multiwavelength revolution ... by Cowen, Ron / Science News
This emission was the CMB--originally it had glowed red-hot at a similar temperature to the surface of the Sun, but now it had been heavily redshifted to radio wavelengths by the subsequent expansion of the Universe.
Ordinary Meeting, 2008 May 28 held at the Royal Astronomical Society, ... by Ford, Dominic / Journal of the British Astronomical Association
One guess is that the features are redshifted molecular carbon absorption lines in a star roughly one billion light-years away.
Mysterious flash of light may represent new class of stellar phenomena by Asian News International
 
 
 
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