This article was originally featured on The Conversation. Spring, summer, fall and winter–the seasons on Earth change every few months, around the same time every year. It’s easy to take this cycle ...

SIOUX CITY (KTIV) - This episode is about the seasons. We will use light and a Styrofoam ball to model our planet’s path around the sun. Let’s model the Earth and how it travels around the sun, thus ...

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Earth experiences different seasons due to its 23.5-degree axial tilt and its orbit around the Sun. This tilt changes how sunlight reaches different regions throughout the year, leading to summer, ...