+Earth's tilt, also known as [axial tilt](/wiki/axial_tilt), describes the angle of its rotational axis relative to its orbital plane. This constant inclination is the primary reason for [seasons](/wiki/seasons), causing varied distribution of sunlight across the planet as it orbits the [Sun](/wiki/Sun).
+## See also
+- [Earth](/wiki/Earth)
+- [Orbit](/wiki/Orbit)
+- [Solstice](/wiki/Solstice)
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