Landsat

[ land-sat ]

/ ˈlændˌsæt /

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. 2020

Examples from the Web for landsat

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 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

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

Scientific definitions for landsat

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.