How can you prove that the forth isa spear
by looking at the pole star?
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hmmmmm.......
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i know wait......
Ok i dont know
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Explanation:
a pole star can be seen at an angle of 90 degree at the north pole as it lies directly at the line of axis of the earth while its angle decreases towards the equator i.e, it is 0degree at the equator it is only in an equator arc of a circle it proves that the earth is a sphere with circular surface
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