Asked by Venkat phy lect | 13th Dec, 2013, 07:43: PM
The geostationary satellites are stationary with respect to earth. They however have to map the entire hemisphere of the earth. Hence, they are placed at a higher altitude.
Polar satellites orbit earth at very low altitudes and are sun synchronous. Hence, they map every place on earth twice a day.
Answered by Romal Bhansali | 16th Dec, 2013, 10:11: AM
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