ASTER

ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) is a high resolution imaging is a Japanese instrument that is flying on NASA's Terra satellite.

A satellite launched in December 1999 as part of NASA's Earth Observing System (EOS). ASTER is a cooperative effort between NASA,  Japan's Ministry of Economy, Trade and Industry (METI) and Japan's Earth Remote Sensing Data Analysis Center (ERSDAC). ASTER is being used to obtain detailed maps of land surface temperature, reflectance and elevation.