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        {
            "id": 14922,
            "url": "https://svs.gsfc.nasa.gov/14922/",
            "result_type": "Produced Video",
            "release_date": "2025-12-01T14:00:00-05:00",
            "title": "Anatomy of an Active Galactic Nucleus",
            "description": "An active galactic nucleus, or AGN, is a supermassive black hole at the center of a galaxy that is consuming surrounding matter. Although the black hole itself is not visible, the structures around it emit light across many wavelengths. The artist’s concepts here highlight distinct structures that can accompany an AGN — the photon ring, accretion disk, corona, dusty torus, and relativistic jets. || ",
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        {
            "id": 14905,
            "url": "https://svs.gsfc.nasa.gov/14905/",
            "result_type": "Produced Video",
            "release_date": "2025-11-28T09:00:00-05:00",
            "title": "Black Hole Environments, Explained",
            "description": "If light can’t escape black holes, how do we know where they are? The regions around them tell an incredible story. From blazing coronas and swirling accretion disks to powerful jets that stretch millions of miles, these extreme environments reveal black holes' secrets and how these mysterious objects shape the universe.Join host Sophia Roberts as she talks with researchers Jenna Cann and Cecilia Chirenti at NASA Goddard about how scientists study these mysterious structures, the challenges of observing the unseeable, and the discoveries that continue to change our understanding of black holes.Credit: NASA’s Goddard Space Flight CenterMusic credits from Universal Production Music:\"Breaking the Barrier,\" David Bertrand Holland\"Dust Spirals,\" Alexandre Prodhomme\"Miniature Universe,\" Geoffrey Wilkinson\"Urban Decay,\" Sarah Natasha Penelope Warne\"Solar Plexus,\" Brandon Seliga\"Polygraph,\" Eric Chevalier\"The Mischief Makers,\" Joaquim Badia\"Maelstrom Dream,\" Lucie Rose\"The Truth Will Out,\" Chris Dony and Beth Perry || 14905_-_BHE_Thumbnail.jpg (1280x720) [947.8 KB] || 14905_-_Black_Hole_Environments_Explained_Captions.en_US.srt [15.7 KB] || 14905_-_Black_Hole_Environments_Explained_Captions.en_US.vtt [14.8 KB] || FINAL_-_14905_-_Black_Hole_Environments_Explained_1080.mp4 (1920x1080) [1.7 GB] || FINAL_-_14905_Black_Hole_Enviroments_Explained_4k.mp4 (3840x2160) [9.2 GB] || FINAL_-_14905_-_Black_Hole_Environments_Explained_ProRes.mov (3840x2160) [39.3 GB] || ",
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        },
        {
            "id": 4986,
            "url": "https://svs.gsfc.nasa.gov/4986/",
            "result_type": "Visualization",
            "release_date": "2022-03-29T11:00:00-04:00",
            "title": "Space Geodesy Project",
            "description": "NASA's Space Geodesy Project (SGP) uses a variety of space- and land-based techniques to determine the precise shape, position, and orientation of the Earth with respect to the Terrestrial Reference Frame (TRF) and Earth orientation parameters (EOP). This visualization presents a summary of these techniques.The visualization begins with a shot of natural-looking Earth, then transitions to a view that shows the orbital components of the SGP, which include global navigation satellite systems (GNSS), satellite laser ranging (SLR) and Doppler Orbitography by Radiopositioning Integrated on Satellite (DORIS). The view then moves to the surface of the Earth, showing the positions and direction of the motion of ground stations as measured by these techniques, as well by ground-based very long baseline interferometry (VLBI), which uses the radio emissions of distant quasars to determine geodetic measurements.We then zoom into the center of the Earth to show the consequence of these surface motions: the movement of the geocenter, which these techniques can determine to within millimeters. || ",
            "hits": 63
        },
        {
            "id": 12539,
            "url": "https://svs.gsfc.nasa.gov/12539/",
            "result_type": "Produced Video",
            "release_date": "2017-03-23T13:00:00-04:00",
            "title": "Hubble Detects a Rogue Supermassive Black Hole",
            "description": "The Hubble Space Telescope captured an image of a quasar named 3C 186 that is offset from the center of its galaxy. Astronomers hypothesize that this supermassive black hole was jettisoned from the center of its galaxy by the recoil from gravitational waves produced by the merging of two supermassive black holes. Read the press release here - https://www.nasa.gov/feature/goddard/2017/feature/gravitational-wave-kicks-monster-black-hole-out-of-galactic-coreDownload the Hubble images here - http://hubblesite.org/news_release/news/2017-12Read the science paper here - http://imgsrc.hubblesite.org/hvi/uploads/science_paper/file_attachment/231/3c186.pdf || ",
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        },
        {
            "id": 11821,
            "url": "https://svs.gsfc.nasa.gov/11821/",
            "result_type": "Produced Video",
            "release_date": "2015-03-25T14:00:00-04:00",
            "title": "Suzaku, Herschel Link a Black-hole 'Wind' to a Galactic Gush",
            "description": "This movie illustrates how black-hole feedback works in quasars. Dense gas and dust in the center simultaneously fuels the black hole and shrouds it from view. The black-hole wind propels large-scale outflows of cold gas and powers a shock wave that clears gas and dust from the central galaxy.Video credit: NASA's Goddard Space Flight Center || Suzaku_Quasar_Wind_STILL.png (1920x1080) [8.1 MB] || Suzaku_Quasar_Wind_STILL_print.jpg (1024x576) [41.8 KB] || Suzaku_Quasar_Wind_STILL_searchweb.png (320x180) [55.0 KB] || Suzaku_Quasar_Wind_STILL_web.png (320x180) [55.0 KB] || Suzaku_Quasar_Wind_STILL_thm.png (80x40) [7.9 KB] || 11821_Suzaku_Quasar_Wind_FINAL_appletv.webm (960x540) [3.3 MB] || 11821_Suzaku_Quasar_Wind_FINAL.mov (1920x1080) [333.5 MB] || 1920x1080_16x9_30p (1920x1080) [32.0 KB] || 11821_Suzaku_Quasar_Wind_FINAL-H264_Best_1920x1080_2997.mov (1920x1080) [295.2 MB] || 11821_Suzaku_Quasar_Wind_FINAL-H264_Good_1920x1080_2997.mov (1920x1080) [36.8 MB] || 11821_Suzaku_Quasar_Wind_FINAL-MPEG4_1920X1080_2997.mp4 (1920x1080) [13.0 MB] || 11821_Suzaku_Quasar_Wind_FINAL_1280x720.wmv (1280x720) [13.8 MB] || 11821_Suzaku_Quasar_Wind_FINAL_appletv.m4v (960x540) [13.6 MB] || 11821_Suzaku_Quasar_Wind_FINAL_ipod_lg.m4v (640x360) [5.2 MB] || 11821_Suzaku_Quasar_Wind_FINAL_ipod_sm.mp4 (320x240) [2.6 MB] || ",
            "hits": 44
        },
        {
            "id": 11031,
            "url": "https://svs.gsfc.nasa.gov/11031/",
            "result_type": "Produced Video",
            "release_date": "2012-07-05T07:00:00-04:00",
            "title": "Space Geodesy Profiles",
            "description": "Scientists from NASA's Space Geodesy Project discuss the techniques they use to precisely measure the Earth's position in the universe, determine the Earth's center of mass, calibrate satellites, observe sea level rise, and track the movements of the tectonic plates. || ",
            "hits": 88
        },
        {
            "id": 10964,
            "url": "https://svs.gsfc.nasa.gov/10964/",
            "result_type": "Produced Video",
            "release_date": "2012-06-21T09:00:00-04:00",
            "title": "Using Quasars to Measure the Earth: A Brief History of VLBI",
            "description": "VLBI, or Very Long Baseline Interferometry, is a technique that uses multiple radio telescopes to very precisely measure the Earth's orientation. It was originally invented back in the 1960s to take better pictures of quasars, but scientists soon found out that if you threw the process in reverse, you could measure how the ground beneath the telescopes moves around, how long days really are, and how the Earth wobbles on its axis as it revolves around the sun! Learn more about VLBI here!This video is presented in both stereoscopic 3D and standard 2D versions. The labels below will help you pick which video is right for your display! || ",
            "hits": 56
        },
        {
            "id": 10698,
            "url": "https://svs.gsfc.nasa.gov/10698/",
            "result_type": "Produced Video",
            "release_date": "2011-01-20T09:00:00-05:00",
            "title": "NASA's Swift Finds 'Missing' Active Galaxies",
            "description": "Most large galaxies contain a giant central black hole. In an active galaxy, matter falling toward the supermassive black hole powers high-energy emissions so intense that two classes of active galaxies, quasars and blazars, rank as the most luminous objects in the universe. Thick clouds of dust and gas near the central black hole screens out ultraviolet, optical and low-energy (or soft) X-ray light. Although there are many different types of active galaxy, astronomers explain the different observed properties based on how the galaxy angles into our line of sight. We view the brightest ones nearly face on, but as the angle increases, the surrounding ring of gas and dust absorbs increasing amounts of the black hole's emissions. || ",
            "hits": 101
        },
        {
            "id": 3439,
            "url": "https://svs.gsfc.nasa.gov/3439/",
            "result_type": "Visualization",
            "release_date": "2007-09-13T00:00:00-04:00",
            "title": "Simulations of the Gamma-Ray Sky",
            "description": "The Gamma-Ray Large Area Space Telescope (GLAST) will observe the sky in gamma-rays with energies between 10 million electron volts (MeV) to 300 billion electron volts (GeV) (a photon of visible light is roughly 2 electron volts). At these energies, the detectors will receive roughly 2 photons every second. At these energies, the objects visible will be active galaxies, quasars, pulsars, and gamma-ray bursts. This visualization is generated from one year of simulated photon event-lists using known sources. These event lists are used for testing the various data analysis software being developed for the project. Due to the extremely low event rate, it takes about one week of event accumulation to see structure in the sky. To generate the 600+ frames of this visualization, the event lists were box-car averaged for a duration of one week for each frame, and each frame shifted 50,000 seconds in time from the previous frame. The low angular resolution of gamma-ray detectors makes point sources appear spread out in the sky. In these maps, the color of each pixel represents the number of photons accumulated in that pixel (over an energy range of 10MeV-300GeV). Horizontally, across the center of the map, is the diffuse emission from the plane of our own Milky Way galaxy. The images are projected in galactic coordinates with a plate carrée projection so there is significant distortion with increasing latitude above the galactic disk. This emission in the galactic plane is created by pulsars and supernova remnants. Located away from this plane is emission from active galaxies and high-velocity pulsars. Occasionally, a bright spot appears which can be a gamma-ray burst or quasar in an active state. || ",
            "hits": 84
        }
    ]
}