Advanced Spaceborne Thermal Emission and Reflection Ratiometer (ASTER) is a satellite that was launch as part of NASA's Earth Observing System back in December '99. It is the product of the cooperation between NASA, Japan's Ministry of Economy, Tades and Industry, and Japan's Earth Remote Sensing Data Analysis Center, and it is being used to collect detailed maps of the Earth's surface temperature, reflectance and elevation.
This a Global Digital Elevation Model (GDEM) that was made public on June 29, 2009.
It was created through the process of processing and stereo-correlating 1.3 million optical images from the ASTER archive.
Along with this image, you can go to the NASA website to learn more about this very interesting satellite, as well as see a few other images that were also captured by the ASTER satellite.
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