Celebrating this anniversary, this video is a “greatest hits” montage of Landsat data. Throughout the decades, Landsat satellites have given us a detailed view of the changes to Earth’s land surface. By collecting data in multiple wavelength regions, including thermal infrared wavelengths, the Landsat fleet has allowed us to study natural disasters, urban change, water quality and water usage, agriculture development, glaciers and ice sheets, and forest health.
NASA and the U.S. Department of the Interior through the U.S. Geological Survey (USGS) jointly manage Landsat, and the USGS preserves a more than 40-year archive of Landsat data that is freely available over the Internet.
This video is public domain and can be downloaded at: http://svs.gsfc.nasa.gov/goto?11615

A Planet in Focus – Landsat 7’s Legacy
Celebrating the 25-year mission of Landsat 7, a NASA/USGS satellite that revolutionized Earth observation with high-resolution imagery used in agriculture, disaster response, climate research, and more.