Physics for IGCSE & O level - The Earth In Space (Section 6 - No. 12)
What is the 'Doppler Effect' mostly related to in astronomy?
The study of stars and their behavior
The study of the movement of the galaxies
The study of planet formation
The study of black holes
Explanation
The Doppler Effect explains the redshift/blueshift related to the movement of celestial objects.
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