- noun the collection of information via satellite observation and aerial photography about physical aspects of the earth such as the location of mineral deposits, or the movement of water or pests
- The use of satellites (and aircraft) to obtain information about the Earth’s surface, waters and atmosphere
- The sensing of a signal or other phenomenon utilizing a detector, such as an infrared detector, which does not come into physical contact with that being measured or monitored. Also called remote detection, or teledetection.
- synonym remote detection
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