Question

What is meant by the inclination of the Earth's axis?
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Answer 1

The axis of the Earth is tilted at an angle of 23 1/2° from a perpendicular to the orbital plane. This tilting of the axis is called the inclination of the Earth's axis. Due to this inclination, the axis of the Earth makes an angle of 66 1/2° with the plane of the Earth's orbit.

Answer 2

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