What Do Satellites Do?

Answer

The manmade satellites communication with earth, they also act as a source of power, and they control some system to accomplish their designated missions. There are numerous manmade satellites that orbit the earth. A satellite is an entity that goes around a larger object, such as a planet. The moon is an example of a natural satellite.
2 Additional Answers
Satellites do many things. Satellites are used for communication, television reception, military spying, weather monitoring, or for coordinates for a GPS device. Satellites orbit the earth at different orbits depending on what their use is. You can find more information here: http://en.wikipedia.org/wiki/Satellite
Satellite that humans put into orbit do a few different things. Some of them are simply used to bounce signals off for global communication. Some of them do scientific study and collect data about both space and Earth and relay that info to us. Some spy on our enemies. Some of them help GPS units tell people where they are and how to get where they are going. You can find more information here: http://en.wikipedia.org/wiki/Satellite
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