Solved UPSC CDS/OTA Question
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Q · The Universe medium · 45s
Dark matter is believed to:
TopicThe Universe
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Dark matter does not emit light but exerts gravitational influence and makes up about 27% of the universe's mass-energy.
Final Answer: Option C - Account for unseen mass affecting galaxy rotation