The redshift of light from galaxies indicates that the universe is expanding. This phenomenon, where light from distant galaxies shifts towards the red end of the spectrum, suggests that those galaxies are moving away from us, which is a key piece of evidence for the expanding universe model that supports the Big Bang theory.
As evidence supporting the Big Bang what does the redshift of light from galaxies indicate
The universe is expanding
The universe is 13.8 billion years old
The universe is cooling off
The universe is mainly hydrogen
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