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.

Origin of Landsat

1975–80; land (or land(sensing)) + sat(ellite)

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Science definitions for landsat

Landsat

[ lăndsăt′ ]

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.