It’s easy to assume the seasons change because Earth gets closer to or farther from the sun. But the real answer is more interesting—and it has everything to do with a 23.5-degree tilt. Here’s the simple truth: Earth’s distance from the sun barely changes throughout the year. In fact, Earth is actually closest to the sun in early January—right when North America is deep in winter.
If you’ve ever planned a video call with a friend in Sydney while you’re shoveling snow in New York, you’ve probably asked yourself this question: Why is it summer in Australia right now? why is it summer in australia
And that 23.5-degree tilt is the reason why. Got questions about seasons in other parts of the world? Drop them in the comments below! It’s easy to assume the seasons change because