Landsat 9

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The Landsat Program

This joint NASA/USGS program provides the longest continuous space-based record of Earth’s land in existence. Every day, Landsat satellites provide essential information to help land managers and policy makers make wise decisions about our resources and our environment. + Landsat Case Studies ebook

Newly Launched Landsat 9 Mission to Monitor Earth’s Landscapes
Landsat 9 successfully launched at 2:12 p.m. EDT Monday from Vandenberg Space Force Base in…

"The primary archive available for reviewing the positions of coastlines and effects of sea-level rise is Landsat."

— John Trinder, Prof Emeritus, University of New South Wales, Australia, May 18, 2016

"The USGS’s Landsat mission has an incredible 40-year record of the planet’s changing landscape, with virtually every spot imaged every eight days. It’s an incredible scientific asset."

— Betsy Mason, Oct 14, 2014

"In order to produce a rock outcrop map for the entire Antarctic continent, we required a freely available georeferenced multispectral dataset. The dataset needed to cover the high latitudes; be recently acquired; be of a high enough resolution to identify individual outcrops and geomorphological features; and have suitable coverage of the continent. On this basis, the Landsat 8 multispectral satellite data was chosen for analysis as no other platform met these requirements. It would not have been possible, or at least would have been prohibitively expensive, to carry out this study without Landsat data."

— Martin Black, British Antarctic Survey, Dec 17, 2015

“Landsat has been one of the only ways we can directly measure the global food supply.”

— Brad Doorn, program manager for NASA’s Applied Sciences Water Resources and Agriculture Research at NASA Headquarters in Washington, Nov 27, 2019

“With applied conservation programs, we’re using that [Landsat] imagery to say here are the areas that we can prioritize for conservation management, and here are areas that maybe we can let go. It’s a very powerful tool for getting conservation to happen.”

— Matthew Reiter, quantitative ecologist, Point Blue, Sep 24, 2015

"Landsat is the oldest continually operated program of its kind: Its satellites have been capturing images of the Earth since the Nixon administration."

— Robinson Meyer, Sep 10, 2014

“Landsat offers a unique continuous record of the surface of the Greenland Ice Sheet over the last 40 years, no other mission would have been able to provide observations of ice velocity change over such a long time period.”

— Noel Gourmelen, Oct 28, 2015

"What should be done with the old bird?"

— From USGS EROS article:, Aug 6, 2019

"Landsat offers a globally consistent data set with a short enough revisit time to allow us to consider the percent of time that surface water is present on an annual and seasonal basis, while its 30 meter resolution also enables detection of smaller ponds and rivers, providing greater connectivity."

— Amy Hudson, University of Maryland, Dec 18, 2015

"If you really want to have a long history of understanding any process in the Earth, Landsat is where you should go."

— Tasso Azevedo, MapBiomas Initiative, Apr 19, 2021