matayamh2016
Answered

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What term refers to the change in light (to a lower frequency) emitted by neighboring galaxies due to the fact that they are moving away from us?

A. Blue shift
B. Ultraviolet shift
C. Green shift
D. Red shift

Sagot :

GinnyAnswer

Final answer:

Redshift in light indicates motion of galaxies away or towards us based on Doppler effect.


Explanation:

Redshift refers to the change in light (to a lower frequency) emitted by neighboring galaxies due to their motion away from us. This shift in wavelength, leading to a longer wavelength and lower frequency, is a result of the Doppler effect.

For instance, if a galaxy's light waves are observed as redshifted, it indicates the galaxy is moving away from us. On the other hand, a blueshift would indicate that the galaxy is moving towards us, resulting in a shorter wavelength and higher frequency of light.


Learn more about Doppler effect in astronomy here:

https://brainly.com/question/43458953


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