differentiate geostationary satellite and polar satellite .
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geostationary satellites take few minutes in completing their Revolution around the earth but polar satellite takes some some days to complete one revolution.
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POLAR SATELLITE: These satellites are mainly situated upto 200km to 2000km from the earth’s surface. Some of the examples of polar satellites are pslv, aslv etc.
Main functions of polar satellites
☆ land mapping: polar satellites are used for land mapping and the availability of useful land on the earth. In India for that cortosat 1a is responsible for land mapping. Also cortosat 1b which gives info about agricultural aspects .some other satellites which are involved in this are cortosat 2.
☆ disaster management: After the disaster of Uttarakhand GOI launched a satellite named SARSAT(save and rescue satellite). The main purpose of SARSAT was to find missing people.
GEOSTATIONARY SATELLITE: The satellites which are located 20000 to 36000 km away from the surface of earth.
Main functions are:
☆ telecommunication
☆ navigation
Main functions of polar satellites
☆ land mapping: polar satellites are used for land mapping and the availability of useful land on the earth. In India for that cortosat 1a is responsible for land mapping. Also cortosat 1b which gives info about agricultural aspects .some other satellites which are involved in this are cortosat 2.
☆ disaster management: After the disaster of Uttarakhand GOI launched a satellite named SARSAT(save and rescue satellite). The main purpose of SARSAT was to find missing people.
GEOSTATIONARY SATELLITE: The satellites which are located 20000 to 36000 km away from the surface of earth.
Main functions are:
☆ telecommunication
☆ navigation
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