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far-infrared radiation

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far-infrared radiation [¦fär in·frə′red ‚rād·ē′ā·shən]
(electromagnetism)
Infrared radiation the wavelengths of which are the longest of those in the infrared region, about 50-1000 micrometers; requires diffraction gratings for spectroscopic analysis.


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Its high-tech sensors, which detect far-infrared radiation, are designed to peer through dust clouds to observe the mysterious process of how stars and galaxies are created.
Dust absorbs both ultraviolet and visible light and reradiates it as far-infrared radiation.
 
 
 
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