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2002. National Geophysical and Solar-Terrestrial Data Center. This map shows light sources from human settlements around the world observed during 2002. The Defense Meteorological Satellite Program (DMSP) Oper... National Geophysical and Solar-Terrestrial Data Center.
2003. National Geophysical and Solar-Terrestrial Data Center. This map shows light sources from human settlements around the world observed during 2003. The Defense Meteorological Satellite Program (DMSP) Oper... National Geophysical and Solar-Terrestrial Data Center.
1994 and 1995. National Geophysical and Solar-Terrestrial Data Center. This map shows the four types of light sources as in Western Asia (the MIddle East) observed during 1994-1995. The Defense Meteorological Satellite... National Geophysical and Solar-Terrestrial Data Center.