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20 March, 04:25

Why does gravitational redshift occur?

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  1. 20 March, 04:46
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    Gravitational redshift occurs because time slows down in a strong gravitational field. This causes the frequency of a wavelength of light to lower. Lower frequencies occur at the red end of the electromagnetic spectrum, so the light appears shifted to the red wavelengths.
  2. 20 March, 04:52
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    Answer: Einstein's theory of general relativity predicts that the wavelength of electromagnetic radiation will lengthen as it climbs out of a gravitational well.

    Explanation: Einstein's theory of general relativity predicts that the wavelength of electromagnetic radiation will lengthen as it climbs out of a gravitational well.
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