- a U.S. scientific satellite that studies and photographs the earth's surface by using remote-sensing techniques.
Origin of Landsat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for landsat
Landsat acquires digital data that are converted into an image.
More than a million images of Earth have been acquired by the Landsat satellites.
In 1972, the United States launched the first of a group of unmanned satellites collectively known as Landsat.
Landsat satellites carry sensors that record “light,” or portions of the electromagnetic spectrum, as it reflects off the Earth.
Rocks containing limonite, a hydrous iron oxide, may be identified readily from Landsat Multispectral Scanner data.
- 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.