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   ocr: How does a satellite work? The body of a satellite is covered with solar panels which convert sunlight into electricity. Satellites need a lot of power, so each solar panel can be over five meters long. Sensors on board a satellite insure that the satellite is positioned so that the solar panels point directly at the Sun or a bright star. Asatellite turns or moves in any direction using clusters of nozzles. Gas is pushed out of the nozzles, causing the satellite to move in the opposite direction. The main function of a satellite isto send and receive signals. These are usually sent from the Ea ...