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Reasons for the seasons - Rebecca Kaplan

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Why do some regions experience full-time heat while others are reckoning with frigid temperatures and snow? And why are the seasons reversed in the two hemispheres? Rebecca Kaplan explains how the shape of the Earth's orbit around the Sun and the Earth's tilt on its axis affect the amount of sunlight each region receives.

Examine the images of Earth's orbit in your textbook, in a magazine, or on the news. Do you think that the image is accurate? Why or why not? Could the image be changed or enhanced to make it better? How?

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