How an artificial satellite Work

How an artificial satellite Work?

Artificial satellites have been put to a variety of uses .Some satellites send and receive TV signals so we can expect many TV channels . If there is enough satellites , one TV program can be seen all over the world that Time. Weather satellites help scientists named Meteorologists predict what the weather will be look like. These satellites can save hundreds living on the warning fishermen not to sail before storm , and predicting when Hurricane Strike . Some satellites take pictures the surface of the earth, so that scientists can study changes in the world. So scientists know glaciers are millions of years old melting because of global warming . Another part of satellite communications are deals with phone, fax, internet and computer communication 

                                                                 fig: satellite



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