Story of satellites

Have you ever wondered about satellites? where all these satellites present? Is there an expiry for Satellites? Where all the expired satellites go? Satellites are using for communication purposes and know some other things like weather forecasts. The first satellite was launched on October 4,1957 by the soviet union named Sputnik 1. It is known that distance from earth is inversely proportional to gravitational pull. When the satellite is near to earth it requires more speed to stay in orbit. Due to negligible resistance in space, no need of running fuel all overtime to rotate around the earth. Once it reached orbit fuel can be consumed only when the satellite goes out of orbit to place it back. There are three types of orbits in different layers where satellites can be placed. Low Earth Orbit Geosynchronous Earth Orbit Medium Earth Orbit The satellite is placed in various orbits with respect to its application. Low Earth Or...