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

Pole Star is the brightest star in the night sky, when one looks up to the sky from any place on the earth.

As it is a huge star that is far away from earth, it looks stationary even though the earth is rotating.

When looked from the North Pole, it appears to be vertically above and closest to the earth.

However, its position seems to change a bit to a tilting position, as a person moves away from the North Pole, thus proving that the earth is a sphere.

Answer 2

pole star is the biggest and the brightest star in Earth where ever you go you will easy to see that the pole star

it is very huge for that reason it is looking very bright look up in the sky in night