The Earth is being imaged each day by a "constellation" of remote sensing satellites. Built and launched by a variety of international agencies these satellites have their own special systems of imaging sensors which make use of the visible, infrared, microwave and other parts of the electromagnetic spectrum.
The Earth is being imaged each day by a "constellation" of remote sensing satellites. Built and launched by a variety of international agencies these satellites have their own special systems of imaging sensors which make use of the visible, infrared, microwave and other parts of the electromagnetic spectrum.