Respuesta :
Galaxies are the part of the universe that comprises the stars, dust, solar system, etc. The movement of the galaxies away from the earth can be explained by redshift. Thus, option d is correct.
What is redshift?
Redshift is a movement of the object from the shorter to the longer (red) wavelength and causes the objects to move away from their original position. Edwin Hubble discovered the expansion of the universe.
In redshift, the universal bodies like the galaxies displace away from their respective position and move away. While in blueshift the objects move near the planets.
Therefore, option d. redshift theory can be used to support the argument.
Learn more about redshift here:
https://brainly.com/question/27723078
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