gravitational redshift

American  

noun

Physics, Astronomy.

1. (in general relativity) the shift toward longer wavelengths of electromagnetic radiation emitted by a source in a gravitational field, especially at the surface of a massive star.

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Example Sentences

Here, because it is gravity and not motion that produces the longer wavelengths, we call the effect a gravitational redshift.

From Textbooks • Oct. 13, 2016

The advent of space-age technology made it possible to measure gravitational redshift with very high accuracy.

From Textbooks • Oct. 13, 2016

When light or other radiation emerges from a compact smaller remnant, such as a white dwarf or neutron star, it shows a gravitational redshift due to the slowing of time.

From Textbooks • Oct. 13, 2016