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WHY POLE STAR DID NOT APPEAR TO TWINKLE DUE TO ATMOSPHERIC REFRACTION

Dear Student!

Pole Star appears to be still in the night sky due to the fact stated rightly by Roshni. However, it does seem to twinkle due to atmospheric refraction. 

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THERE IS ONE ONE STAR WHICH DOES NOT APPEAR TO MOVE IN THE SKY. IT IS POLE STAR.THUS,THE STAR WHICH APPEARS STATIONARY FROM THE EARTH IS POLE STAR.THE POLE STAR ALWAYS REMAINS IN THE SAME POSITION IN THE SKY.THE POLE STAR APPEARS TO BE STATIONARY AND DOES NOT CHANGE TS POSITION WITH TIME BECAUSE IT LIES ON THE AXIS OF ROTATION OF EARTH.

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