![]() ![]() Approximate scene size is 170 km north-south by 185 km east-west (106 mi by 115 mi). Landsat 1-5 Multispectral Scanner (MSS) images consist of four spectral bands with 60 meter spatial resolution. The instruments on Landsat 9 were designed as improved copies of the Landsat 8 sensors. While the earlier satellites carried just one sensor, Landsat 8 acquires data in 11 bands from two separate sensors: the Operational Land Imager (OLI) and the Thermal Infrared Sensor (TIRS). ![]() A panchromatic band was added to Landsat 7’s Enhanced Thematic Mapper Plus (ETM+) sensor. The Multispectral Scanner (MSS) carried on Landsat 1,2,3,4 and 5 collected data in four ranges (bands) the Thematic Mapper (TM) sensor on Landsat 4 and Landsat 5 included those found on earlier satellites and also introduced a thermal and a shortwave infrared band. The sensors aboard each of the Landsat satellites were designed to acquire data in different ranges of frequencies along the electromagnetic spectrum ( View Bandpass Wavelengths for all Landsat Sensors). ![]()
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