TAG: land imaging

NASA, USGS Begin Work on Landsat 9 for Land Imaging

April 17, 2015By

News from NASA. NASA and the U.S. Geological Survey (USGS) have started work on Landsat 9, planned to launch in 2023, which will extend the Earth-observing program’s record of land images to half a century. The Landsat program has provided accurate measurements of Earth’s land cover since 1972. With data from Landsat satellites, ecologists have tracked deforestation in South America,... read more