Discussion :: Universe
- What are Sun spots?
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A.
Regions on earth without winter climate |
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B.
Desert areas on the sun |
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C.
Dark patches on the surface of the sun which are cooler areas |
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D.
Dark patches on the surface of the Sun resulting from a localised fall in the temperature to about 4000 K |
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Answer : Option D
Explanation :
A dark patch in the sun's photosphere resulting from a localized fall in temperature to about 4000 K. Most spots have a central very dark umbra surrounded by a lighter penumbra. Sunspots tend to occur in clusters and to last about two weeks.
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