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Landsat
[ land-sat ]
noun
- a U.S. scientific satellite that studies and photographs the earth's surface by using remote-sensing techniques.
Landsat
/ lănd′săt′ /
- Any of various satellites used to gather data for images of the Earth's land surface and coastal regions. These satellites are equipped with sensors that respond to Earth-reflected sunlight and infrared radiation. The first Landsat satellite was launched in 1972. Currently, the seventh satellite (Landsat 7) is orbiting Earth.
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Word History and Origins
Origin of Landsat1
First recorded in 1975–80; land or land(-sensing) + sat(ellite)
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Example Sentences
More than a million images of Earth have been acquired by the Landsat satellites.
From Project Gutenberg
Landsat acquires digital data that are converted into an image.
From Project Gutenberg
Rocks containing limonite, a hydrous iron oxide, may be identified readily from Landsat Multispectral Scanner data.
From Project Gutenberg
In 1972, the United States launched the first of a group of unmanned satellites collectively known as Landsat.
From Project Gutenberg
Landsat satellites carry sensors that record “light,” or portions of the electromagnetic spectrum, as it reflects off the Earth.
From Project Gutenberg
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