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            "description": "See [NASA.gov](https://www.nasa.gov/feature/goddard/2017/nasa-s-cats-concludes-successful-mission-on-space-station)",
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        {
            "id": 4542,
            "url": "https://svs.gsfc.nasa.gov/4542/",
            "page_type": "Visualization",
            "title": "CATS studies volcanic plumes, wildfires, and hurricanes",
            "description": "NASA’s Cloud-Aerosol Transport System, or CATS, is a lidar remote-sensing instrument taking measurements of atmospheric aerosols and clouds from the International Space Station (ISS). Launched to the ISS in January 2015, CATS is specifically intended to demonstrate a low-cost, streamlined approach to developing ISS science payloads. The CATS mission extends the data record of space-based aerosol and cloud measurements to ensure the continuity of lidar climate observation.Data from CATS will help scientists model the structure of dust plumes and other atmospheric features, which can travel far distances and impact air quality. Climate scientists will also use the CATS data, along with data from other Earth-observing instruments, to look at trends and interactions in clouds and aerosols over time.Calbco EruptionCATS and the ISS provide critical measurements of volcanic plume heights. In late April 2015, the Calbuco Volcano in Chile erupted multiple times; sending plumes of sulfur dioxide and ash into the upper troposphere. Volcanic plumes pose a substantial risk to aviation safety, leading to prolonged flight cancellations that cause ripple effects in the airline industry’s economy and on personal travel. Rerouting air traffic requires accurate forecasts of volcanic plume transport from models such as the NASA GEOS-5 shown here. Utilizing the near-real-time data downlinking capabilities on ISS the CATS team can produce useful data products within six hours of data collection. || ",
            "release_date": "2017-01-25T00:00:00-05:00",
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                "alt_text": "The ISS passes over a plume of ash and sulfur dioxide (SO2) from the Calbuco Volcano eruption.  The volcano plume can be seen in attenuated backscatter data collected by the CATS instrument, onboard the ISS. This video is also available on our YouTube channel.",
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