20 Things You Didn't Know About Seasons

Thank our wobbly planet for our seasons, which have led to remarkable adaptations in animals ranging from honeybees to lungfish.

1. Don’t look to Pete Seeger’s lyric “turn, turn, turn” to explain the seasons. It’s really tilt, tilt, tilt. Earth has seasons because its axis is tilted about 23.5 degrees, exposing the Northern and Southern hemispheres to fluctuating amounts of direct sunlight during the year. 2. Contrary to popular belief, Earth’s distance from the sun, which changes along its elliptical orbit, has nothing to do with seasonal differences in temperature and sunlight. (Th…

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