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What is the difference between the ecliptic line And the equatorail line?
Answer 1:

The ecliptic line is the projection of the plane of the earths orbit around the Sun onto the sky. It is an imaginary line in the sky that represents the plane of the earth's orbit around the sun.
The equatorial line is the projection of the Earth's equator onto the sky.
The earths orbital motion and the angle between the rcliptic plane and the equatorial plane cause the seasons.


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