what is the circle of illumination ? why does it not coincide with the axis of the earth?
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Explanation:
The imaginary line that separates day from night on earth is called the circle of illumination. It is basically the region that is experiencing sunshine. The circle of illumination cuts all latitudes into half on the spring and autumnal equinoxes.
The circle of illumination does not coincide with the axis of the earth because of the inclination of the axis by 231/2°. The circle of illumination divides day and night and the Earth takes 24 hours to complete one rotation around its axis.
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A circle that divides earth into day and night.. The circle of illumination does not coincide with the axis of the earth because of the inclination of the axis by 23 1/2 degrees
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