Physics for IGCSE & O level - The Earth In Space (Section 13 - No. 11)
What is meant by the term 'redshift'?
Light from objects moving away is shifted towards the blue end of the spectrum.
Light from objects moving away is shifted towards the red end of the spectrum.
Light from objects moving towards is shifted towards the red end of the spectrum.
Light from objects moving towards is shifted towards the blue end of the spectrum.
Explanation
Redshift means the light from distant objects is shifted towards the red end of the spectrum if it is moving away from us.
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