Observation
Observation is typically made via different 'channels' of the Electromagnetic spectrum, in particular, the Visible and Infrared portions.
Some of these channels include :
- Visible and Near Infrared: 0.6 μm – 1.6 μm – For recording cloud cover during the day
- Infrared: 3.9 μm – 7.3 μm (Water Vapour), 8.7 μm, – 13.4 μm (Thermal imaging)
Read more about this topic: Weather Satellite
Famous quotes containing the word observation:
“I know not anything more pleasant, or more instructive, than to compare experience with expectation, or to register from time to time the difference between idea and reality. It is by this kind of observation that we grow daily less liable to be disappointed.”
—Samuel Johnson (1709–1784)
“There is no better proof of a man’s being truly good than his desiring to be constantly under the observation of good men.”
—François, Duc De La Rochefoucauld (1613–1680)
“The Artist is he who detects and applies the law from observation of the works of Genius, whether of man or Nature. The Artisan is he who merely applies the rules which others have detected.”
—Henry David Thoreau (1817–1862)