Feb 28, 2019A Face Behind Landsat Images: Meet Dr. Valerie L. Thomas

Thomas managed the development of early Landsat image processing software systems and became the resident expert on the Computer Compatible Tapes that were used to store early Landsat imagery.

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Jan 29, 2015Now & Then: The History of Portrait U.S.A.

USGS released provisional Landsat surface reflectance products in December. Surface reflectance products correct for atmospheric distortions thereby providing “less hazy” images.

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Nov 27, 2014Looking at Cranberry Bogs with Landsat

Whether it’s cranberry relish, cranberry fluff, cranberry sauce, cranberry salad, or cranberry salsa you’ll be enjoying today, it’s fun to see where cranberries grow. A series of commercial cranberry beds can be seen on this Oct. 6, 1999 Landsat 7 image.

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Oct 30, 2014Over 20 Million Landsat Scenes Downloaded

Since 2008, all Landsat data—archived and newly acquired—have been available for free download. On September 16, 2014, users worldwide downloaded over 14,000 scenes from the servers at the USGS Earth Resources Observation and Science (EROS) Center. These downloads brought the total number of Landsat data downloads to more than 20 million.

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Oct 23, 2014Looking Back—The Millionth MSS Image

This Landsat (MSS) image, acquired by Landsat 2 on May 27, 1981 (WRS-1 Path 186 Row 26), marks the one-millionth MSS image acquired by the Landsat satellites. The image covers a 115×115-mile (185×185-km) area of the steppe (vast treeless plain) region of southwestern Russia.

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Sep 04, 2014A Big Eye in the Mojave Desert

In 1980, artist Tom Van Sant created the world’s largest manmade image with the help of Landsat 3.

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Aug 28, 2014Sun Seekers Unite in Ivanpah Playa

On public land in the Ivanpah Valley near the California/Nevada border, the world’s largest concentrated solar thermal plant sprawls across the desert landscape. Just on the other side of Interstate 15 (the long straight diagonal line) is the location of a Landsat calibration site.

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Jun 26, 2014John Parr Snyder's Space Oblique Mercator Projection

To continually map the Earth’s surface using Landsat data, an entirely new projection had to be created. This new projection was created by John Parr Snyder and is known as the Space Oblique Mercator (SOM) projection. It is considered, “one of the most complex projections ever devised” according to cartographic historian, John W. Hessler.

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May 22, 20141977 Video: Landsat—Satellite for all Seasons

This 1977 NASA video series, “Landsat—Satellite for All Seasons,” provides examples of early Landsat applications.

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May 08, 2014Landsat Video From the Archives

The Landsat program is the longest continuous global record of Earth observations from space—ever. On July 23, 1972 NASA launched the first satellite in this program, then known as ERTS, the Earth Resources Technology Satellite and later renamed Landsat 1.

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