What is true about cosmic redshift? Is the light stretches towards us and why?
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Explanation:
COSMIC REDSHIFT MEANS THAT THE HEAVENLY BODY IS MOVING FAR AWAY FROM US SO THIS STRETCHES LIGHT AWAY FROM US CAUSING INCREASE IN WAVELENGTH OF LIGHT AND THIS IS CALLED COSMIC REDSHIFT.
IF LIGHT STRETCHES TOWARDS US, THEN WAVELENGTH OF LIGHT DECREASES AND THIS MEANS THE BODY IS MOVING NEAR TO US AND THIS IS CALLED COSMIC BLUE SHIFT.
SORRY TO ANSWER AFTER A PRETTY LONG TIME.
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