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You are working with NASA (National Aeronautics and Space Administration) and the DOD (Department of Defense)...

You are working with NASA (National Aeronautics and Space Administration) and the DOD (Department of Defense) asks you to put a spy satellite in a geosynchronous (stationary with respect to an observer on Earth) orbit. They want to know what sort of optics to put on the satellite and this depends on its altitude. What altitude should the satellite be placed for this orbit, assuming a circular orbit? (RE = 6.38 ´ 103 km)

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