The Dictionary of the Climate Debate (DCD)


Earth Observing System
Definition: (Aka EOS) A series of NASA research satellites sent into orbit to provide "long-term global observations of the land surface, biosphere, solid Earth, atmosphere, and oceans." The first one, Terra, was launched 1999, Aqua was launched in 2002, and Aura in 2004. For a complete description of the program, click here.


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