Short wave infrared (SWIR) measurements can help scientists estimate how much water is present in plants and soil, as water absorbs SWIR wavelengths. Short wave infrared bands (a band is a region of the electromagnetic spectrum; a satellite sensor can image Earth in different bands) are also useful for distinguishing between cloud types (water clouds versus ice clouds), snow and ice, all of which appear white in visible light. In this composite vegetation appears in shades of green, soils and built-up areas are in various shades of brown, and water appears black. Newly burned land reflects strongly in SWIR bands, making them valuable for mapping fire damages. Each rock type reflects shortwave infrared light differently, making it possible to map out geology by comparing reflected SWIR light.

SWIRcamera

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This is defined as the ratio of focal length and the diameter of the entrance pupil. Specifications are often done in the format f/N, where N is the f-number.

Color contrast is the difference in brightness, saturation, and pigment of different elements of an image that make it more (or less) difficult to see.

2023519 — Microscopes are of several types based on their use and ways it magnifies the object. Generally, it uses lenses that refract the visible light ...

LWIR

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The movie theater in the back room. Saw a movie about the solar system. The other back miscellaneous room with assorted things in it. I did not ...