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Landsat

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Earth observation

Overview page. Subjects: Astronomy and Astrophysics.

(EO)

The observation of the Earth's surface and atmosphere by Earth-observation satellites such as the European Remote-Sensing Satellite and NASA's Landsat. Remote-sensing...

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Earth Resources Technology Satellite

Overview page. Subjects: Environmental Science.

(ERTS)

A satellite that was launched by NASA in 1972 and used for remote sensing of land resources on Earth. Now called Landsat.

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multispectral scanner

Overview page. Subjects: Environmental Science — Earth Sciences and Geography.

In remote sensing, a line scanner which records data in several different channels.

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remote sensing

Overview page. Subjects: Science and Mathematics.

The gathering of information without actual physical contact with what is being observed. This involves the use of radars, sonars, spectrosocopy, and the use of airborne and satellite...

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satellite applications

Overview page. Subjects: Astronomy and Astrophysics.

The uses to which artificial satellites are put. These include:

scientific experiments and observation

Many astronomical observations are best taken above the disturbing...

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SPOT

Overview page. Subjects: Environmental Science.

(Système Probatoire d'Observation de la Terre)

A French observation satellite, launched in 1986, which transmits data yielding monochrome, stereoscopic images with a 10 m...

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thematic mapper

Overview page. Subjects: Environmental Science.

(TM)

A remote sensing device that is found on Landsat satellites, which scans images of the Earth's surface in seven spectral bands from visible to thermal infrared, with a spatial...

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United States Geological Survey

Overview page. Subjects: Astronomy and Astrophysics.

(USGS)

The civilian agency responsible for mapping the United States and for monitoring natural resources. It gathers and analyses data and supplies scientific information and...

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