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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 NorthStar or Pole star,liesverynear to therotation axis ofthe celestial sphere, right above theEarth'snorth pole. Itis the brightest star in theconstellationofUrsa Minor. This is the reason why it appears fixed in the sky.

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