Landsat 9 just launched last September, the latest in a long line of influential spacecraft. A schematic sketch of Landsat-1. Image Credits: NASA I talked with Jim Irons, who has worked at NASA ...

NASA's latest Earth-observation satellite blasted off Monday, continuing a storied four-decade effort to track environmental change and resource use across the planet. The Landsat Data Continuity ...

Iceland’s Ok Glacier has lost so much mass since Landsat 1 launched in 1972 to monitor changes to the Earth’s land surface that Ok lost its status as a glacier in 2014. Credit: USGS.

Landsat 1’s payload was overwhelmingly taken up by a more traditional camera system, and so it launched with a stripped-down four-band multispectral imager (down from an original seven) ...

Fifty years ago on July 23, 1972, the US Landsat-1 satellite was launched from Vandenberg Air Force Base in California. This was the beginning of an ongoing satellite series and the start of the earth ...

The land-observing satellite was supposed to work for five years. Now, more than 20 years later, Landsat 7 is still going strong. In April 2021, the satellite marked its 22nd year of serving as a ...

Landsat 1. Landsat 1 was in operation from 1972 to 1978, outliving its design life by five years. It was the first Earth-observing satellite to be launched with the sole intent to study and ...

How Landsat-1 came to life. In 1967, NASA forged ahead and began to develop what was then called the Earth Resources Technology Satellite (ERTS-1), later to be redubbed Landsat.

Scientists worldwide recognize that there exists only one accurate image record, spanning nearly four decades, of the Earth's land surfaces, coastlines, and reefs at a scale revealing both natural and ...

After Landsat 1 launched, the traditional television-like camera that many had preferred failed, and NASA scientists were amazed by the quality of the images from Norwood's scanner.