Glossary: F

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  1. Temperature scale designed by the German scientist Gabriel Fahrenheit in 1709, based upon water freezing at 32 degrees Fahrenheit and water boiling at 212 degrees Fahrenheit under standard atmospheric pressure. Compare with centigrade. Source: NASA...
  2. A color imaging process which produces an image of a color that does not correspond to the true or natural color of the scene (as seen by our eyes). Source: NASA (
  3. Electromagnetic radiation, longer than the thermal infrared, with wavelengths between about 25 and 1000 micrometers. See electromagnetic spectrum. Source: NASA (
  4. A fracture in rock along which one side has moved with respect to the other. Source: NASA (
  5. U.S. Federal Emergency Management Agency. Source: NASA (
  6. The range of angles that are scanned or sensed by a system or instrument, measured in degrees of arc. Source: NASA (
  7. The nearly flat portion of a river (stream) valley adjacent to the river (stream) channel; it is built by sediment deposited during floods and is covered by water during a flood. Source: NASA (
  8. Carbon-fluorine compounds that often contain other elements such as hydrogen, chlorine, or bromine. Common fluorocarbons include chlorofluorocarbons and related compounds (also know as ozone depleting substances). Source: NASA (http://...
  9. Number of cycles and parts of cycles completed per second. F=1/T, where T is the length of one cycle in seconds. Source: NASA (
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