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An increase in the wavelength of light as a galaxy moves away from earth called a
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Mar 11, 2018
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An increase in the wavelength of light as a galaxy moves away from earth called a
Biology
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Osundblad
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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.
Nayan Wadekar
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Mar 17, 2018
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Nayan Wadekar
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