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Atmospheric windows are useful for astronomy, remote sensing, telecommunications and other science and technology applications. In the study of the greenhouse effect, the term atmospheric window may be limited to mean the infrared window, which is the primary escape route for a fraction of the thermal radiation emitted near the surface.
The optical window is the portion of the optical spectrum that is not blocked by the Earth's atmosphere. The window runs from around 300 nanometers ( ultraviolet-B ) up into the range the human eye can detect, roughly 400–700 nm and continues up to approximately 2 μm .
A fragmented part of the 'window' spectrum (one might say a louvred part of the 'window') can also be seen in the visible to mid-wavelength infrared between 0.2 and 5.5 μm. The infrared atmospheric window is an atmospheric window in the infrared spectrum where there is relatively little absorption of terrestrial thermal radiation by ...
The software ran on MS-DOS, with a version for Windows 3.1 released not long after. [ 1 ] The initial versions of FalconView were simply a set of routines to display scanned raster maps such as CADRG (compressed arc digital raster graphics) with simple stick routes drawn on top, but the easy to use software was popular with the end users and ...
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Installed gap spanners on the hull of the station for facilitating movement of crew members on future spacewalks, cleaned windows of the Zvezda Service Module, installed fasteners on communications antennas, replaced an aging docking antenna, photographed various locations and hardware on Zvezda and nearby modules, and retrieved a space environment experiment.
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The radio window is the region of the radio spectrum that penetrate the Earth's atmosphere. Typically, the lower limit of the radio window's range has a value of about 10 MHz (λ ≈ 30 m); the best upper limit achievable from optimal terrestrial observation sites is equal to approximately 1 THz (λ ≈ 0.3 mm).