Solved UPSC CDS/OTA Question
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Q · The Universe medium · 45s
What astronomical unit is used to measure distances within the solar system?
TopicThe Universe
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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An astronomical unit is the average distance between Earth and the Sun, approximately 150 million km.
Final Answer: Option C - Astronomical Unit (AU)