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", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 14728, "url": "https://svs.gsfc.nasa.gov/14728/", "page_type": "B-Roll", "title": "Geological Earth Mapping Experiment (GEMx) B-roll", "description": "The Geological Earth Mapping Experiment (GEMx) is a joint campaign between NASA and the U.S. Geological Survey (USGS) to map portions of the southwest United States for critical minerals using advanced airborne imaging. Spectral data from hundreds of wavelengths of reflected light can provide new information about Earth’s surface and atmosphere to help scientists understand Earth’s geology and biology, as well as the effects of climate change. The research project will use NASA’s Airborne Visible/Infrared Imaging Spectrometer (AVIRIS), the Modified Daedalus Wildfire scanning spectrometer (MASTER), and other airborne spectrocopic instruments flown on NASA’s ER-2 and Gulfstream V aircraft to collect the measurements over the country’s arid and semi-arid regions, including parts of California, Nevada, Arizona, and New Mexico.GEMx VISIONS PortalGEMx Campaign Information || ", "release_date": "2024-12-06T12:00:00-05:00", "update_date": "2025-05-06T13:44:07.115428-04:00", "main_image": { "id": 1139873, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014700/a014728/Studying_Thunderstorms_ER-2_B-roll_4.00200_print.jpg", "filename": "Studying_Thunderstorms_ER-2_B-roll_4.00200_print.jpg", "media_type": "Image", "alt_text": "These selected clips showcase NASA's ER-2 aircraft take off and landing. 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