Question
On the celestial sphere, show the diurnal circles of stars seen from the North pole
Answer :
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The diurnal circles of stars seen from the North Pole are a result of Earth's rotation on its axis. As the Earth rotates, different stars appear to move across the sky in circular paths centered around the celestial pole. The celestial pole, or North Celestial Pole in this case, is the point in the sky directly above the Earth's North Pole.
The diurnal circles are actually caused by the rotation of the Earth, not the motion of the stars themselves. Since the Earth completes one full rotation approximately
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