Question

How many satellites are required to cover the earth?

Answer 1

3 satellite

if we consdier geostationary statellite then minimum 3 satellite are required. but it also depends on the resolution and the hight of the orbit it is placed in. so on behalf of this we need only 2 satellites which is of very high resolution and kept at very large distance, covering oppostive sides of earth.

Answer 2

3 satellites are required to cover the earth..