Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
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Q · The Universe Medium · 45s
Who first proposed that the Universe is expanding?
TopicThe Universe
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
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Edwin Hubble’s observations led to the expanding universe model.
Final Answer: Option C — Edwin Hubble