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Galaxies that are moving away from Earth are

A. shrinking
B. blue shifted
C. expanding
D. red shifted

Sagot :

GinnyAnsweridn

Final answer:

Galaxies moving away from Earth show a red shift in emitted light, indicating expansion of the universe.


Explanation:

Redshift is the shift in the position of spectral lines to longer wavelengths due to the relative motion of a source away from the observer. When galaxies are moving away from Earth, they exhibit a red shift in their emitted light. This red shift is evidence of the universe's expansion.


Learn more about Redshift and expansion of the universe here:

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