Why is it hot in summer and cold in winter?

Asked 26-Jan-2018
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Due to tilt axis of the Earth, summers are hot and winters are cold. Major population believes that the temperature changes due to nearness of Earth in summer and closet to the sun in winter.
In fact, in July the Earth is farthest from the sun while in January it is closet to the sun. 
Why is it hot in summer and cold in winter?
During summer, the sunrays strikes the Earth at a steep angle. The light doesn't spread much results in increasing amount of energy striking any particular spot. The long daylight hours grants the Earth plenty of time to reach warm temperatures.
Why is it hot in summer and cold in winter?
 While during winter, the sunrays strikes the Earth at a shallow angle. These rays spread out in great angle maximizing the amount of energy that hit any given spot. And the long nights and short days prevents the Earth from warming up. Thus, we experience cold winters.

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