Why is equator warmer than pole

Geology
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Why is equator warmer than pole

Dec 18th, 2014

It is all a matter of the angle the sun makes with a pole struck in the ground at local time of noon, when the sun is highest in the sky. 
Near the equator, the sun's rays are coming in at a steep angle close to 90 degrees. This means that the sun's rays are concentrated. 
On the other hand at high latitudes , the sun's rays are coming in at a relatively shallow angle...so the rays get spread out over a larger area. 

Reference:

http://scienceline.ucsb.edu/getkey.php?key=429


Dec 18th, 2014

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