Landsat

[land-sat]

noun

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)

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for landsat

Historical Examples of landsat

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

[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.

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