Best Nasa Usgs
Landsat 4 was a joint NASA and U.S. Geological Survey Earth observation satellite launched on July 16, 1982 into a Sun-synchronous near-polar orbit at approximately 705 km altitude. It carried the Thematic Mapper sensor, which provided 30-meter resolution in six visible and infrared bands plus a 120...
Landsat 8 is an active Earth observation satellite operated by NASA and the USGS. This mission continues a decades-long program providing consistent imagery of our planet. The satellite utilizes Operational Land Imager (OLI) and Thermal Infrared Sensor (TIRS) instruments to measure land surface temp...
Landsat 7 is an Earth observation satellite launched on April 15, 1999, as part of the joint NASA–U.S. Geological Survey Landsat program. It carries the Enhanced Thematic Mapper Plus (ETM+) sensor, which captures imagery in eight spectral bands at 15-to-60-meter resolution. In May 2003, the satellit...
Launched in September 2021, Landsat 9 is an Earth observation satellite jointly managed by NASA and the U.S. Geological Survey. The spacecraft continues the five-decade Landsat program record of monitoring land surfaces. It is equipped with the Operational Land Imager 2 and the Thermal Infrared Sens...
