Solstice

The video explains the significance of solstices, which mark the longest and shortest days of the year, and how Earth's 23.5-degree tilt causes seasonal changes. The summer solstice occurs when the North Pole is tilted closest to the sun, resulting in the longest day in the Northern Hemisphere, while the winter solstice occurs when it is tilted farthest, resulting in the shortest day. The video also explores the concept of equinoxes and poses a hypothetical scenario of Earth having no tilt.

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