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Landsat

[land-sat]
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noun
  1. a U.S. scientific satellite that studies and photographs the earth's surface by using remote-sensing techniques.
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Origin of Landsat

1975–80; land (or land(sensing)) + sat(ellite)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for landsat

Historical Examples

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

    Deserts

    A. S. Walker

  • Landsat acquires digital data that are converted into an image.

    Deserts

    A. S. Walker

  • Rocks containing limonite, a hydrous iron oxide, may be identified readily from Landsat Multispectral Scanner data.

    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

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

    Deserts

    A. S. Walker


landsat in Science

Landsat

[lăndsăt′]
  1. 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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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.