CAD of Landsat. Five Landsats were launched between 1972 and 1984 study the Earth's surface in various spectral bands from the visible the infrared with a resolution of about 30 metres. The Landsat programme is an ongoing one. Landsat launched in 1999 is able view the Earth's surface at a resolution of about 30 metres (NASA Media Archives). Buy this as a superb wall poster, a canvas print or a framed print.