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The Applications Explorer Mission-B (AEM-B) launches with SAGE I – SAGE (Stratospheric Aerosol and Gas Experiment)

The Stratospheric Aerosol and Gas Experiment I (SAGE I) was launched February 18, 1979, aboard the Applications Explorer Mission-B (AEM-B) satellite. SAGE I was a sun photometer that used solar occultation to measure aerosols in the atmosphere.

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