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Remote sensing

The process of using aerial sensor technologies to detect and classify objects on Earth both on the surface, and in the atmosphere and oceans by means of propagated signals.

Contributors in Remote sensing

Remote sensing

radiometer

Earth science; Remote sensing

Device for quantitatively measuring radiant energy, especially thermal radiation.

radar shadow

Earth science; Remote sensing

Dark signature on a radar image representing no signal return. A shadow extends in the far-range direction form an object that intercepts the radar beam.

thermal inertia (P)

Earth science; Remote sensing

Measure of the response of a material to temperature changes, expressed in calories per square centimeter per square root of second.

spectrum

Earth science; Remote sensing

Continuous sequence of electromagnetic energy arranged according to wavelength or frequency.

EOSAT

Earth science; Remote sensing

The commercial company that took over operations of the Landsat system in 1985.

photograph

Earth science; Remote sensing

Representation of targets on film that results from the action of light on silver halide grains in the film's emulsion.

Goddard Space Flight Center

Earth science; Remote sensing

The NASA facility at Greenbelt, Maryland, that is also a Landsat ground receiving station.

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