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[land-sat] /ˈlændˌsæt/
a U.S. scientific satellite that studies and photographs the earth's surface by using remote-sensing techniques.
Origin of Landsat
1975-80; land (or land(sensing)) + sat(ellite) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for Landsat
Historical Examples
  • Rocks containing limonite, a hydrous iron oxide, may be identified readily from Landsat Multispectral Scanner data.

    Deserts A. S. Walker
  • Landsat acquires digital data that are converted into an image.

    Deserts A. S. Walker
  • More than a million images of Earth have been acquired by the Landsat satellites.

    Deserts A. S. Walker
  • Landsat satellites carry sensors that record “light,” or portions of the electromagnetic spectrum, as it reflects off the Earth.

    Deserts A. S. Walker
  • In 1972, the United States launched the first of a group of unmanned satellites collectively known as Landsat.

    Deserts A. S. Walker
  • Studies using Landsat data help demonstrate the impact of people and animals on the Earth.

    Deserts A. S. Walker
Landsat in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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