The period of rotation of the geostationary satellite is ______ hours.
A
12
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B
24
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C
6
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D
48
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Solution
The correct option is B 24 A geostationary satellite is an earth-orbiting satellite, placed at an altitude of approximately 35,800 kilometers (22,300 miles) directly over the equator, that revolves in the same direction the earth rotates (west to east).
At this altitude, one orbit takes 24hours, the same length of time as the earth requires to rotate once on its axis.
The term geostationary comes from the fact that such a satellite appears nearly stationary in the sky as seen by a ground-based observer.