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Why is red shift in the Big Bang theory not treated merely as a color change?

Answer and explanation

Correct answer: Because it indicates recession of distant galaxies and expansion of the universe

Red shift is a sign of motion in space. In exams, write it as observational evidence of expansion.

Related tags

OriginEvolutionRedshiftBigbangEarly And Modern TheoriesThe Origin And Evolution Of The EarthGeographyClass 11 Mcq

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