Solved UPSC CDS/OTA Question
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Q · Solar System medium · 45s
What causes the blue color of Neptune?
TopicSolar System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Methane gas in Neptune’s atmosphere absorbs red light and reflects blue light, giving the planet its distinctive blue appearance.
Final Answer: Option B - Methane absorption of red light