Question

Why the earth is sphere shape ​

Answer 1

Answer:

earth is not sphere on the axis (it was like oval)

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Answer 2

Answer:

Earth is spherical because :

(1) Gravity pulls everything towards its centre of mass and we have the same gravitational force (almost same) everywhere in the surface which infers that earth is sphere.

(2) Satellite images proves our Earth to be sphere.

(3) Shadows are formed according to the shape of the Earth.

(4) The fact that we can travel around the Earth is another proof.