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Understanding Seasons: The Earth's Orbit and Axial Tilt Explained

Seasons are the result of the Earth’s axial tilt at 23.2 degrees, leading to varying exposure to sunlight throughout its orbit around the Sun. As the Earth spins daily, one hemisphere experiences daylight while the other is in night. The tilted axis means that when the northern hemisphere is tilted towards the Sun, it experiences summer, while the southern hemisphere endures winter, and vice versa. This angle affects heat concentration, resulting in hotter summers and cooler winters based on the hemisphere's orientation towards the Sun.

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Understanding Seasons: The Earth's Orbit and Axial Tilt Explained

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  1. Seasons At Work By Harriet Kightley & Anya Whittaker

  2. First Things First… To start off with, the earth circulates the sun once a month but also it spins on its axis once a day. This means that we have day and night, when the earth is facing the sun it is day but when it is facing away from the sun it is night.

  3. The Earth’s Orbit Around The Sun You may have heard that the Earth’s circulation path looks like this… This is an exaggeration But in fact it looks like this…

  4. Seasons • Seasons are created by the angle of the Earth’s axis (an angle of 23.2 degrees. • The Earth remains at the same angle throughout the orbit, so when the northern hemisphere is angled towards the sun it is summer and in the southern hemisphere it is winter • When the southern hemisphere is angled towards the sun it is summer but in the northern hemisphere it is winter.

  5. So How Does This Work? • When a hemisphere is angled towards the sun it is in direct sunlight, this means it has more concentrated heat. This makes it summer! • Although when it is not angled towards the sun it is in sunlight, but it is not as direct and is spread out over a large area, resulting in the heat not being as hot. This makes it winter!

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