Question

Why do the polar regions experience extended periods of daylight and darkness?

Answer 1

Answer:

Because of the Earth's axial tilt. The Earth rotates on itself along an axis that is tilted 23° with respect to its orbital plane around the Sun: ... This means the Northern hemisphere spends more time in the sunlight than in the dark

Answer 2

Answer:

The tilt of the earth points the poles away from the sun in alternate seasons.

The sun never rises in the winter at the North pole nor sets in the summer. The opposite is true at the South pole.

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