LATEST FEATURED IMAGE FROM ASTER: |
Addis Ababa, Ethiopia
Addis Ababa, the capital of Ethiopia, was established in 1889. Major urban migration into the city began in the 1970s, driven mainly by unemployment, poverty, and declining agricultural productivity in the rural areas. Updated on 10/28/2008
ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) is an imaging instrument flying on Terra, 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.
The three EOS platforms are part of NASA's Science Mission Directorate and the
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