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A to Z GIS | Explore this related guide, featuring updated terms and graphics and developed in coordination with Esri’s GIS Dictionary team.

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Aqua

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  1. [satellite imaging] A satellite, launched in 2002, in orbit around the earth to study the precipitation, evaporation, and cycling of water. It carries the Moderate Resolution Imaging Spectroradiometer (MODIS) sensor on board.

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