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Textbook Expert
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4 Dec 2021

Given information

Redshift of spectral lines of galaxies was due to something other than expansion.

 

 

 

 

 

Step-by-step explanation

Step 1.

The Big Bang theory, which states that the cosmos expanded from a very high-density, high-temperature state, is linked to the idea that the universe is constantly expanding.

 

 

 

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