An increase in the wavelength of light as a galaxy moves away from earth called a

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asked Mar 11, 2018 31.0k views

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Nayan Wadekar · Answer 1 · 2018-03-17T02:58:43+0000

Redshift and blueshift describe how light changes as objects in space (such as stars or galaxies) move closer or farther away from us. The concept is key to charting the universe's expansion.

An increase in the wavelength of light as a galaxy moves away from earth called a

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