Why is the North Pole area so cold? Also, why does Alaska experience 67 days of no sun in the winter time?
I have read just recently the earth isn't truely a perfect sphere it's called a oblate spheroid which means the OP is correct in that there is some flattening at both ends of the poles do to density mass and volume of the earth.
which the earth shifts back n forth on its axis while it spins,, a wobbling of sort because of being a oblate spheroid which this creates seasons which because how special Alaska is positioned on the globe the seasons are affected more so than other places and the morning and evening as well.
The earth rotates around the Suns equator at a not so perfect circle either around the sun which affects seasons also on earth and also each pole of the earth is not as close to the sun because the earth is a oblate spheroid and both poles are some what less round so direct sun light is reduced and more so at the very top and bottom of the globe.
At our earths equator to the Suns equator is the cloesest point to point closeness. which this is why the earth equator tempatures are at its highest and at its lowest at each pole and decreases in tempature moving away from the equator to the north and south poles.