What astronomical feature is the direct cause of the planet's seasons?

Answer

The Earth's axis being persistently tilted relative to the ecliptic

The tilt of the Earth's axis relative to the plane of its orbit causes different hemispheres to receive varying amounts of direct sunlight throughout the year, resulting in seasons.

What astronomical feature is the direct cause of the planet's seasons?

#Videos

The Ecliptic: Crash Course Kids #37.2 - YouTube

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