Question

How can you prove that the earth is a sphere by looking at the Pole Star?

Answer 1

we can verify this as by when look at the Universe it look like a strange but as the earth is someone said something flat from poles of North and South that's why

Answer 2

Here is prove
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☣ We know that pole star can have seen at 90° at the north Pole.

☣ it lies in the line with the acha of earth

☣ it's axis is decreased towards the equator.

☣At the equator The angle 0° .


☣ This can happen only in arc of circle .


▶ if the earth wad flat, The Pole star would have the same height in all latitudes