Marine Surveying and Astronomical Surveying
Explain marine (hydrographic) surveying and astronomical surveying.
Expert
Marine surveying : Marine surveying, is also called as hydrographic surveying is used for examining the vessels that is used over the water bodies such as navigation, water supply and harbour works.
Astronomical surveying : In astronomical surveying, absolute location of heavenly bodies such as sun, moon and star is being determined.
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