Question

"Remote sensing is the technique of deriving information about objectives on the surface of the Earth without physically coming into contact with them" Definition given by

• A. National Remote sensing agency
• B. Jensen
• C. Robert Green
• D. Canada Centre for Remote sensing

Answer 1

Answer:

A. National Remote sensing agency

• The definition of remote sensing as the technique of deriving information about objectives on the surface of the Earth without physically coming into contact with them is credited to the National Remote Sensing Agency (NRSA).

• Jensen (John R. Jensen): A legendary remote sensing scientist who defined it with a more academic touch: "The art and science of obtaining information about an object, area, or phenomenon through the analysis of data acquired by a device that is not in contact with the object, area, or phenomenon under investigation."

• Canada Centre for Remote Sensing (CCRS): Their standard definition usually incorporates a wider view: "The science (and to some extent, the art) of acquiring information about the Earth's surface without actually being in contact with it. This is done by sensing and recording reflected or emitted energy and processing, analyzing, and applying that information."