Landsat image of the Greenland Glacier, 1982.
2 7 c m
actual image size: 32cm x 19cm

Landsat image of the Greenland Glacier, 1982.


© National Aeronautics & Space Administration / Science & Society


This image, procesed by the Space Department of the Royal Aircraft Establishment, Farnborough, shows the Glacier on 23rd March 1982. It is one of a series of four images of the same area taken at different times of the year to show seasonal changes. 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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