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Short Note
A student was asked a question ‘why are there summer and winter for us? He replied as ‘since Earth is orbiting in an elliptical orbit, when the Earth is very far away from the Sun (aphelion) there will be winter, when the Earth is nearer to the Sun (perihelion) there will be winter’. Is this answer correct? If not, what is the correct explanation for the occurrence of summer and winter?
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Solution
Early astronomers proved that Earth is spherical in shape by looking at the shape of the shadow cast by Earth on the Moon during the lunar eclipse.
Concept: Elementary Ideas of Astronomy
Is there an error in this question or solution?
