Landsat

[ land-sat ]

/ ˈlændˌsæt /

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noun

a U.S. scientific satellite that studies and photographs the earth's surface by using remote-sensing techniques.

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Formerly Earth Resources Technology Satellite .

Origin of Landsat

First recorded in 1975–80; land or land(-sensing) + sat(ellite)

Words nearby Landsat

Landrost, Landrum-Griffin Act, Landry, lands, land sailing, Landsat, landscape, landscape architecture, landscape gardening, landscaper, landscapist

How to use Landsat in a sentence

Landsat imagers have been keeping an eye on Earth since 1972, making it possible to track changes over time.
Portrait of an island on fire|Katie McLean|June 30, 2021|MIT Technology Review
With Landsat 9 scheduled to launch in 2021, NASA’s Goddard Media Studios produced the following video about the Landsat program’s history.
Portrait of an island on fire|Katie McLean|June 30, 2021|MIT Technology Review
The United States and Europe have led the way with Landsat and Copernicus satellite programs providing free images of Earth that can be used to understand changes to our environment.
Why the U.S. and China Should Collaborate in Space|Will Marshall and Chris Hadfield|April 15, 2021|Time
“We’ve gone from Landsat going over our head every 16 days to having near-daily, one- to four-meter resolution.”
How technology might finally start telling farmers things they didn’t already know|Katie McLean|December 18, 2020|MIT Technology Review

NASA launched the first satellite for agricultural imagery, known as Landsat, in 1972.
How technology might finally start telling farmers things they didn’t already know|Katie McLean|December 18, 2020|MIT Technology Review
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

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.