Remote Sensing Echo the Bat The Adventure of Echo the Bat is a program with both online and classroom components. It teaches "understanding light" and the "electromagnetic spectrum" as a foundation for Remote Sensing. For Grades: 5-8 Eyes in the Sky - A Remote Sensing Activity @ NASA's Observatorium For Grades: 7-12 Remote Sensing @ NASA's Earth Observatory The technology of modern remote sensing began with the invention of the camera more than 150 years ago. For Grades: 9-12

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