\r1. NASA satellite data indicate the layer of ozone molecules in the upper atmosphere is headed slowly back toward normal levels.
\r2. The layer of ozone at high altitudes acts as a natural filter, protecting people from cancer-causing UV-B from the sun.
\rTAG: Scientists attribute the rebound to the 1980s ban of CFC aerosol gases.
\r", "items": [ { "id": 289358, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 451719, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011600/a011656/WC_Stratosphere-1920-MASTER_iPad_1920x0180_print.jpg", "filename": "WC_Stratosphere-1920-MASTER_iPad_1920x0180_print.jpg", "media_type": "Image", "alt_text": "LEAD: Scientists report that the ozone layer is slowly recovering.\r1. NASA satellite data indicate the layer of ozone molecules in the upper atmosphere is headed slowly back toward normal levels.\r2. 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The layer of ozone at high altitudes acts as a natural filter, protecting people from cancer-causing UV-B from the sun.\rTAG: Scientists attribute the rebound to the 1980s ban of CFC aerosol gases. \r", "width": 960, "height": 540, "pixels": 518400 } }, { "id": 289356, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 451711, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011600/a011656/WC_Stratosphere-1920-MASTER_iPad_1280x720.m4v", "filename": "WC_Stratosphere-1920-MASTER_iPad_1280x720.m4v", "media_type": "Movie", "alt_text": "LEAD: Scientists report that the ozone layer is slowly recovering.\r1. NASA satellite data indicate the layer of ozone molecules in the upper atmosphere is headed slowly back toward normal levels.\r2. The layer of ozone at high altitudes acts as a natural filter, protecting people from cancer-causing UV-B from the sun.\rTAG: Scientists attribute the rebound to the 1980s ban of CFC aerosol gases. \r", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 289357, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 451715, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011600/a011656/WC_Stratosphere-1920-MASTER_iPad_1920x0180.m4v", "filename": "WC_Stratosphere-1920-MASTER_iPad_1920x0180.m4v", "media_type": "Movie", "alt_text": "LEAD: Scientists report that the ozone layer is slowly recovering.\r1. NASA satellite data indicate the layer of ozone molecules in the upper atmosphere is headed slowly back toward normal levels.\r2. 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Lepsch", "employer": "ADNET Systems, Inc." } ] } ], "missions": [], "series": [], "tapes": [], "papers": [], "datasets": [], "nasa_science_categories": [ "Earth" ], "keywords": [ "HDTV" ], "recommended_pages": [], "related": [ { "id": 11648, "url": "https://svs.gsfc.nasa.gov/11648/", "page_type": "Produced Video", "title": "Ozone minimum concentrations, 1979-2013", "description": "Visualizations of ozone concentrations over the southern hemisphere.Data is from ozonewatch.gsfc.nasa.gov || ", "release_date": "2014-09-10T09:00:00-04:00", "update_date": "2023-05-03T13:50:35.331630-04:00", "main_image": { "id": 451921, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011600/a011648/Ozone_minimums_with_graph_nasaportal_print.jpg", "filename": "Ozone_minimums_with_graph_nasaportal_print.jpg", "media_type": "Image", "alt_text": "Minimum concentration of ozone in the southern hemisphere for each year from 1979-2013 (there is no data from 1995). Each image is the day of the year with the lowest concentration of ozone. A graph of the lowest ozone amount for each year is shown. Data is taken from http://ozonewatch.gsfc.nasa.gov/.", "width": 1024, "height": 576, "pixels": 589824 } } ], "sources": [], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }