Question

How can you prove that the earth is a sphere by looking at the Pole Star?
ICSE Class 9 Total Geography Ch 1:The Earth as a Planet

Answer 1

The Pole Star can be seen at 90° at the North Pole. It lies in the line with the axis of the earth, and it's angle decreases towards the Equator. At the Equator, the angle is 0°. This can happen only in an arc of a circle. If the earth was flat, the Pole Star would have been the same height for all latitudes.

Answer 2

Pole star can be seen at an angle of 90degree at the north pole and also lies between the axis of the earth in which it angle decreases towards the equator the equator angle is zero and This can happen only in an Arc of a circle. If the earth were flat ,the pole star have been same latitudes only this proves that the Earth is a sphere by looking at the pole star please marked it as the brainliest