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Einstein shift
(redirected from Gravitational redshift)

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Einstein shift
n
(Physics / General Physics) Astronomy a small displacement towards the red in the spectra, caused by the interaction between the radiation and the gravitational field of a massive body, such as the sun
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In the case of MCG-6-30-15, the gravitational redshift is so extreme, says Fabian, that most of the emission must be coming from the gas and dust extremely close to the black hole.
A new spin: X-rays shed light on black holes by Cowen, Ron / Science News
So if the observatory's spectrometers can accurately measure the gravitational redshift of X-rays emitted near a black hole, astronomers will be able to calculate the mass of the compact object that lurks there.
A new X-ray in the sky by Science News
He predicted two other effects, which were subsequently observed, namely the bending of starlight by the sun and the gravitational redshift corresponding to the amount of energy light loses as it fights the effects of gravity.
Relativity by the numbers: supercomputers help physicists picture ... by Peterson, Ivars / Science News
 
 
 
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