It is a joint nasa usgs program.
What are landsat satellite images used for.
The landsat program is a series of earth observing satellite missions jointly managed by nasa and the u s.
On july 23 1972 the earth resources technology satellite was launched.
Landsat images have become very familiar remote sensing images and landsat data are used in a wide variety of geological agricultural and earth science applications.
Landsat 7 enhanced thematic mapper plus etm images consist of eight spectral bands with a spatial resolution of 30 meters for bands 1 to 7.
This was eventually renamed to landsat 1 the most recent landsat 8 was launched on february 11 2013.
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The resolution for band 8 panchromatic is 15 meters.
Geological survey on july 23 1972 in cooperation with nasa the earth resources technology satellite erts 1 was.
Landsat are the satellites which are used for gathering remote sensing data from various locations on the land.
Landsat 8 captures about 400 images of the earth each day far more than the 250 a day of landsat 7.
All bands can collect one of.
As it orbits the earth in a north south pattern landsat 8 collects images from a swath about 115 miles 185 km across using a push broom sensor which captures data from the entire swatch at the same time.
During exploration and production activities the continual images of the earth s surface are required so as to help.
History in 1969 the work of hughes santa barbara research center led to the first scanners known as multispectral scanners.
The landsat program is the longest running enterprise for acquisition of satellite imagery of earth.
Section landsat provides more information on the landsat program.
About history landsat timeline landsat people science technical details technical drawings practical uses landsat 8 landsat applications agriculture forestry and range resources land use.
Images data search for.
The instruments on the landsat.