False colour Landsat image of the Earth, 1973.
4 0 c m
actual image size: 32cm x 32cm

False colour Landsat image of the Earth, 1973.


© National Aeronautics & Space Administration / Science & Society


This view of an unidentified region of the earth was taken by one of the first two Landsats. Five Landsats were launched between 1972 and 1984 to study the Earth in various spectral bands from the visible to the infrared with a resolution of about 30 metres. The Landsat programme is an ongoing one. Landsat 7, launched in 1999 is able to view the Earth's surface at a resolution of 15 metres, and the next satellite, Landsat 8, is scheduled to be launched into orbit in 2005. The satellites are used to provide information for map making, studies of land use, pollution monitoring and mineral prospecting.



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