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remote sensing

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remote sensing

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Also known as remote sensing technology

acquisition of information about an object or phenomenon without making physical contact with the object, especially the Earth

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Remote sensing is a way of gathering information about something—like the Earth's surface—without actually touching it or being physically present there. It matters because it lets scientists and organizations study large areas quickly and safely, monitoring things like weather patterns, land use, environmental changes, and natural disasters from a distance.

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Fernerkundung (FE) - Lexikon der Fernerkundung

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Remote sensing
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Synthetic aperture radar image of Death Valley colored using polarimetry

Remote sensing is the acquisition of information about an object or phenomenon without making physical contact with the object, in contrast to in situ or on-site observation. The term is applied especially to acquiring information about Earth and other planets. Remote sensing is used in numerous fields, including geophysics, geography, land surveying and most Earth science disciplines (e.g. exploration geophysics, hydrology, ecology, meteorology, oceanography, glaciology, geology). It also has military, intelligence, commercial, economic, planning, and humanitarian applications, among others.

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