Second segment of NASA Connect Hidden Treasures defines remote sensing and explains how researchers use satellites to observe the Earth from space. This segment defines the electromagnetic spectrum and explains how satellites use different sensors to measure the invisible light reflected from Earth's surface. This segment also explores the definition of GEographic Information Systems or GIS.Second segment of NASA Connect Hidden Treasures defines remote sensing and explains how researchers use satellites to observe the Earth from...all »Second segment of NASA Connect Hidden Treasures defines remote sensing and explains how researchers use satellites to observe the Earth from space. This segment defines the electromagnetic spectrum and explains how satellites use different sensors to measure the invisible light reflected from Earth's surface. This segment also explores the definition of GEographic Information Systems or GIS.«
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