An effect in which a star or galaxy appears to move quickly away from an observer is called

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Giovanna Crane

Geography

8 April, 02:08

An effect in which a star or galaxy appears to move quickly away from an observer is called

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Conner Solomon · Answer 1

An effect in which a star or galaxy appears to move quickly away from an observer is called redshift. Redshift occurs as light or other electromagnetic radiations emitted from an objects increases in wavelength, resulting in a shift to the red end of the spectrum.