Question

Spin a bangle on the floor and observe its movement. Does
इमेजिनरा
it seem as if an imaginary line is passing through its centre?
The Earth too spins around an imaginary line. This imaginary
line is known as its axis. The axis of the Earth is slightly
tilted and passes through the centre of the Earth. The two
end points of the axis are called the North Pole and the
South Pole.​

Answer 1

A line that makes two halfes of the sphere into two is called equator