Extending the Effective Lifetimes of Earth Observing Research Missions (2005) / Chapter Skim
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1 Introduction
1 Introduction
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For example, the Earth Radiation Budget Satellite mission, launched in 1984, had a design life of 2 years, but the nonscanning part of its Earth radiation budget experiment instrument and its Stratospheric Aerosol and Gas Experiment II instrument, which provides near-global measurements of atmospheric aerosols, ozone, nitrogen dioxide, and water vapor, are still operational. 2 According to NASA briefings to the committee, the process was introduced for NASA astrophysics missions in 1988 and expanded in the 1990s for all space science disciplines.
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