Earth, the sun and a bike wheel: Why your high-school textbook was wrong about the shape of Earth's orbit

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If you've ever been taught about how Earth orbits around the sun, you might well think our planet travels along an oval-shaped path that brings it much closer to the sun at some times of the year than at others. You'd have a good reason to think that, too: it's how most textbooks show things.

Earth, the sun and a bike wheel: Why your high-school textbook was wrong about the shape of Earth's orbit retrieved 8 April 2024 from https://phys.org/news/2024-04-earth-sun-bike-wheel-high.html

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