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Shrichards · Answer 1 · 2022-09-10T13:13:22+0000

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the doppler effect for electromagnetic waves such as light is of great use in astronomy anf results in either redshift and blueshift. It has been used used to measure the speed at which stars and galaxies are approaching or receding from us; that is, their radial velocities

Jesselle · Answer 2 · 2022-09-14T22:59:22+0000

Answer:

The Doppler effect for electromagnetic waves such as light is of great use in astronomy and results in either a so-called redshift or blueshift. It has been used to measure the speed at which stars and galaxies are approaching or receding from us; that is, their radial velocities.

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