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Question


Which star is aligned with the axis of rotation of the earth?


Options:
A .   Sirius
B .   Orion
C .   Cassiopeia
D .   Pole Star
Answer: Option D
:
D

The North Star or Pole star, lies very near to the rotation axis of the celestial sphere, right above the Earth's north pole. It is the brightest star in the constellation of Ursa Minor. This is the reason why it appears fixed in the sky.



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