Landsat news

Landsat 5 Suspension of Operations Extended

Spatial News (press release) - Feb 17, 2012
Landsat 5 Earth imaging operations have been suspended for an additional 90 days while the US Geological Survey Flight Operations Team (FOT) continues to investigate options for the resumption of imaging. Landsat 5 imaging was halted in November 2011 ...

Landsat's Thermal Infrared Sensor Arrives at Orbital

Space Daily - Feb 15, 2012
There it will be integrated into the next Landsat satellite, the Landsat Data Continuity Mission (LDCM). The Thermal Infrared Sensor (TIRS) will take the Earth's temperature with a new technology that applies quantum physics to detect heat.

Orbital Sciences Receives Thermal Infrared Sensor Developed for Landsat Satellite

AZoSensors - Feb 16, 2012
The Thermal Infrared Sensor (TIRS) will be integrated into a Landsat satellite, part of the Landsat Data Continuity Mission for the collection of high resolution imagery and data of the surface of the planet. TheThermal Infrared Sensor (TIRS) have been ...

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Satellite Image Landsat Gallery - Earth Observation

LANDSAT-1 - www.satimagingcorp.com - was the world's first earth observation satellite (EOS), launched by the United States in 1972. It is recognized for its ability to observe the earth far from space. Its excellent set of capabilities emphasized the importance of state-of-the-art remote sensing. Following LANDSAT-1, LANDSAT-2, 3, 4, 5, and 7 were launched. LANDSAT-7 is currently operated as a primary satellite. LANDSAT-5 was equipped with a multispectral scanner (MSS) and thematic mapper (TM). MSS is an optical sensor designed to observe solar radiation, which is reflected from the Earth's surface in four different spectral bands, using a combination of the optical system and the sensor. TM is a more advanced version of the observation equipment used in the MSS, which observes the Earth's surface in seven spectral bands that range from visible to thermal infrared regions. The thematic mapper (TM) is an advanced, multispectral scanning, earth resources sensor designed to achieve higher image resolution, sharper spectral separation, improved geometric fidelity, and greater radiometric accuracy and resolution than that of the MSS sensor. This sensor also images a swath that is 185 km (115 miles) wide, but each pixel in a TM scene represents a 30 mx 30 m ground area, except in the case of the far-infrared band 7, which uses a larger 120 mx 120 m pixel. The TM sensor has seven bands that simultaneously record reflected or emitted radiation from the Earth's surface in the ...

 

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Landsat

2nd movie

 

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Landsat Satellite Turns 25

airboyd.tv Credit NASA's Goddard Space Flight Center www.nasa.gov 132969 ... 132970 ... 132971. Like a trusty watch counting up the minutes, the Landsat 5 satellite keeps on ticking, orbit after orbit around Earth. Well beyond its design lifetime of 15000 orbits, the satellite's trajectory could go askew or its instruments could malfunction at any moment. But not today. Still observing the Earth after 25 years -- 22 beyond its three-year primary mission lifetime -- Landsat 5 collects valuable scientific data daily. Some attribute the satellite's longevity to over-engineering. Others say it's a long run of good luck. Whatever the reason, no one who attended the satellite's March 1984 launch could have expected it would still be working today. A Digital Family Photo Album Landsat 5 is one of seven satellites in the Landsat Program, designed, built and launched by NASA, and operated by the US Geological Survey (USGS). Only Landsat 5 and 7 are still operational. With the launch failure of the privately built Landsat 6 in 1993 and the launch of Landsat 7 in 1999, scientists would have had a 12-year gap in observations if Landsat 5 had only lasted for its primary mission lifetime. "Such a gap would have been a scientific disaster," said Darrel Williams, Landsat project scientist at NASA's Goddard Space Flight Center, Greenbelt, Md. Continuity is important because it's only through consistent observation that scientists can clearly identify human impacts on Earth and natural ...

 

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JSatTrak Demo - Landsat vs Molniya

Comparing the coverage of Landsat 7 (Sun Synchronous) to a Molniya Communications Satellite. www.gano.name

 

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NASA | Landsat Image Mosaic of Antarctica

For more info: lima.nasa.gov lima.usgs.gov Want more? Subscribe to NASA on iTunes! http Or get tweeted by NASA: twitter.com This guided tour of the area surrounding McMurdo Station in Antarctica uses the Landsat Image Mosaic of Antarctica (LIMA). It's a great way to experience the frozen continent without any risk of frostbite.