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    "results": [
        {
            "id": 579,
            "url": "https://svs.gsfc.nasa.gov/579/",
            "result_type": "Visualization",
            "release_date": "1999-04-09T12:00:00-04:00",
            "title": "UARS: The Upper Atmosphere Research Satellite",
            "description": "This video summarizes science and data obtained by the Upper Atmosphere Research Satellite (UARS) mission.  UARS was launched in 1991 to study ozone depletion and the processes that control the stratospheric ozone layer.  Although the mission was intended to last only 18 months, UARS continued to operate 7.5 years after launch with 8 of the 10 instruments at the time this video was made. UARS has been one of the most successful NASA satellite programs. The spacecraft was developed and is managed by NASA's Goddard Space Flight Center. || ",
            "hits": 57
        },
        {
            "id": 808,
            "url": "https://svs.gsfc.nasa.gov/808/",
            "result_type": "Visualization",
            "release_date": "1999-04-09T12:00:00-04:00",
            "title": "Viewing the MLS Instrument on UARS",
            "description": "The Microwave Limb Sounder (MLS) measures microwave emission from ozone and chlorine monoxide, a major ozone destroying radical. || Locating MLS on UARS || a000808.00010_print.png (720x480) [437.1 KB] || a000808_pre.jpg (320x242) [7.0 KB] || a000808.webmhd.webm (960x540) [1.6 MB] || a000808.dv (720x480) [34.8 MB] || a000808.mp4 (640x480) [1.9 MB] || a000808.mpg (352x240) [1.1 MB] || ",
            "hits": 44
        },
        {
            "id": 809,
            "url": "https://svs.gsfc.nasa.gov/809/",
            "result_type": "Visualization",
            "release_date": "1999-04-09T12:00:00-04:00",
            "title": "MLS Looking at the Limb",
            "description": "The chemistry of ozone destruction involves very small quantities of stratospheric gases which change rapidly with altitude. UARS is able to determine the altitude variation of these gases by looking at the atmosphere edge on. This is called limb sounding.  The Microwave Limb Sounder (MLS) measures microwave emission from ozone and chlorine monoxide, a major ozone destroying radical. || ",
            "hits": 40
        },
        {
            "id": 837,
            "url": "https://svs.gsfc.nasa.gov/837/",
            "result_type": "Visualization",
            "release_date": "1999-04-09T12:00:00-04:00",
            "title": "Ozone and Chlorine Monoxide over Antarctica from MLS (1/12/93 - 9/17/93)",
            "description": "The  Microwave Limb Sounder (MLS) measures microwave emission from ozone and chlorine monoxide, a major ozone destroying radical.  Right after UARS was launched, MLS began to measure large concentrations of chlorine monoxide over the south pole.  These dramatic images clearly showed the extent of the south polar ozone destruction and confirmed the connection between man-made chlorine and the formation to  the Antarctic ozone hole. Why is so much  chlorine monoxide found over the Antarctic?  UARS measurements have confirmed that CFCs enter the stratosphere in the tropics.  As they rise above the ozone layer, ultraviolet molecules release chlorine, which then can react with methane to form hydrogen chloride.  Chlorine can also react with ozone forming the radical chlorine monoxide.  Chlorine monoxide then combines with the radical nitrogen dioxide to form stable chlorine nitrate.  Chlorine nitrate and hydrogen chloride are called reservoir gases for the chlorine radical.  These reservoir gases usually contain more than ninety percent of the chlorine in the lower stratosphere. || ",
            "hits": 116
        },
        {
            "id": 839,
            "url": "https://svs.gsfc.nasa.gov/839/",
            "result_type": "Visualization",
            "release_date": "1999-04-09T12:00:00-04:00",
            "title": "Chlorine Nitrate from CLAES and Chlorine Monoxide from MLS over the Arctic (2/12/93 - 3/10/93)",
            "description": "Key to understanding the chlorine chemistry in the polar stratosphere is the measurement of polar stratospheric clouds, chlorine monoxide, and the reservoir gas chlorine nitrate. Chlorine nitrate has been measured by CLAES and chlorine monoxide by MLS. The CLAES and MLS measurements together help to show that the polar stratospheric clouds which form in the cold Arctic stratosphere have converted most of the chlorine nitrate into the radical chlorine monoxide. In 1992, UARS measurements showed conclusively that an an Arctic ozone hole is beginning to form. || ",
            "hits": 62
        }
    ]
}