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Stratospheric Aerosol and Gas Experiment (SAGE)

The Stratospheric Aerosol and Gas Experiment, SAGE, is a series of instruments designed by NASA to observe stratospheric ozone, aerosols, and water vapor from space. In the mid-1980s, scientists realized there was a problem with Earth’s protective coat of ozone...it was thinning. The SAGE family of instruments was pivotal in making accurate measurements of the amount of ozone loss in Earth’s atmosphere and helped leaders around the world institute an international treaty banning products containing harmful chemicals that destroy stratospheric ozone. SAGE is a key part of NASA’s mission to provide crucial, long-term measurements that will help humans better understand and care for Earth’s atmosphere.

  • SARP Ozone Sondes Coincide with SAGE III/ISS Measurements

    A NASA student research program recently took to the stratosphere to make ozone measurements that coincided with events from the Stratospheric Aerosol and Gas Experiment (SAGE) III on the International Space Station (ISS), an instrument developed at NASA’s Langley Research Center in Hampton, Virginia. NASA’s Student Airborne Research Program (SARP) is an eight week summer […]

  • Langley Celebrates Asian American, Native Hawaiian and Pacific Islander Heritage Month Recognizing SAGE III / DEVELOP Team Member

    NASA commemorates Asian American, Native Hawaiian and Pacific Islander (AANHPI) Heritage Month each May to celebrate the achievements of employees of AANHPI descent. Daniel Mangosing, a software release administrator and web developer at NASA’s Langley Research Center in Hampton, Virginia, proudly celebrates his family’s Filipino heritage. While his parents were born and raised in a […]

  • NASA Langley opens first new lab in nearly 30 years

    Read more in the Daily Press about the Measurement Systems Lab, NASA Langley Research Center’s new, state-of-the-art research facility for developing, testing and implementing new sensor and instrument technologies, including the SAGE IV prototype.Read more here.  More on SAGE IV:  The Stratospheric Aerosol and Gas Experiment IV (SAGE IV) Pathfinder is the next generation in […]

  • SAGE III Observes ISS Contamination Environment

    Operating a science instrument aboard a crewed, frequently visited space station the size of a football field poses many challenges to data collection and quality. The Stratospheric Aerosol and Gas Experiment (SAGE) III instrument, currently on board the International Space Station (ISS), is equipped with the tools necessary to deal with these challenges. Commanded from NASA’s Langley […]

  • Enhanced Stratospheric Aerosols from Fukutoku-Okanoba Eruption

    Did you know active volcanoes lie beneath the ocean’s surface? The Stratospheric Aerosol and Gas Experiment (SAGE) III on the International Space Station (ISS) instrument spotted remnants of the Fukutoku-Okanoba undersea volcanic eruption in Earth’s stratosphere. Fukutoku-Okanoba erupted vigorously in the Philippine Sea on Aug. 13, 2021. Although the volcano’s summit is approximately 80 feet under […]

  • Summer Interns Successfully Accomplish Science and Engineering Projects for SAGE III Mission

    While the COVID 19 pandemic caused another summer of virtual internships, it didn’t stop students from across the country from furthering their education and professional experience with NASA. With over 1,000 applicants to the mission’s internship program, the Stratospheric Aerosol and Gas Experiment (SAGE) III team at Langley Research Center in Hampton, VA selected a […]

  • Studying Earth’s Stratospheric Water Vapor

    What does water vapor have in common with Sisyphus, the mythological Greek character cursed to roll a rock uphill only to have it roll back down again? Water is continuously cycling on Earth between bodies of water such as oceans, lakes and rivers, land surfaces, and in the atmosphere. When water warms and evaporates from […]