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A false-color image of two people taken in long-wavelength infrared (body-temperature thermal) radiation This pseudocolor infrared space telescope image has blue, green, and red corresponding to wavelengths of 3.4, 4.6, and 12 μm, respectively.
The infrared atmospheric window is an atmospheric window in the infrared spectrum where there is relatively little absorption of terrestrial thermal radiation by atmospheric gases. [1] The window plays an important role in the atmospheric greenhouse effect by maintaining the balance between incoming solar radiation and outgoing IR to space.
Simultaneously, Lunar Thermal Mapper (LTM) will acquire midwave infrared data. [3] Together, the two instruments will create a simultaneous map of the surface mineral composition, temperature, and forms of lunar water, [16] each measuring at least one thousand targets on the lunar surface over the course of the satellite's one-year primary ...
Also, out of about 340 W/m 2 of reflected shortwave (105 W/m 2) plus outgoing longwave radiation (235 W/m 2), 80-100 W/m 2 exits to space through the infrared window depending on cloudiness. About 40 W/m 2 of this transmitted amount is emitted by the surface, while most of the remainder comes from lower regions of the atmosphere. In a ...
Thermal remote sensing from satellites to derive land surface temperatures has a long history that can be traced back to the TIROS-II satellite, launched in the early 60s. [17] From the outset certain problems were recognised when deriving temperatures over the land, most notably the low temperatures observed over deserts.
Aluminium oxynitride (marketed under the name ALON by Surmet Corporation [3]) is a transparent ceramic composed of aluminium, oxygen and nitrogen.Aluminium oxynitride is optically transparent (≥80% for 2 mm thickness) in the near-ultraviolet, visible, and mid-wave-infrared regions of the electromagnetic spectrum.