Astronomy: The Stars Online Practice

Question

Complete this assessment to review what you’ve learned. It will not count toward your grade.
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Question
How does spectroscopy provide evidence for the Big Bang theory?(1 point)
Responses

The intensities of peaks show that galaxies are moving away from each other.
The intensities of peaks show that galaxies are moving away from each other.

The red shift shows that galaxies are moving away from each other.
The red shift shows that galaxies are moving away from each other.

The intensities of peaks show that galaxies are moving toward each other.
The intensities of peaks show that galaxies are moving toward each other.

The red shift shows that galaxies are moving toward each other.
The red shift shows that galaxies are moving toward each other.
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Answer 1

The correct response to how spectroscopy provides evidence for the Big Bang theory is:

The red shift shows that galaxies are moving away from each other.

This redshift indicates that the universe is expanding, which is a key piece of evidence supporting the Big Bang theory.