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        {
            "id": 14123,
            "url": "https://svs.gsfc.nasa.gov/14123/",
            "result_type": "Produced Video",
            "release_date": "2022-03-24T14:00:00-04:00",
            "title": "What Mercury’s Unusual Orbit Reveals About the Sun",
            "description": "Mercury is special. As the closest planet to the Sun, it occupies a region where the Sun’s influence is changing dramatically. The Sun’s magnetic field, which dominates space close to the Sun, is rapidly waning. And Mercury’s orbit – more elliptical or “oval-shaped” than any other planet – allows it to experience a wider range of solar magnetic field conditions than any other planet. As a result, Mercury provides a unique opportunity to study how the Sun’s influence on a planet varies with distance.In a new study published in Nature Communications, Goddard scientists Norberto Romanelli and Gina DiBraccio used data from NASA’s MESSENGER spacecraft to study the Sun’s changing interaction with Mercury. As Mercury moves through the solar wind, the steady stream of particles escaping the Sun, some of them strike Mercury’s magnetosphere and bounce back towards the Sun. These rebounding solar wind particles generate low-frequency waves that reverberate through space, traveling “upstream” in the solar wind towards the Sun. Romanelli and DiBraccio observed these waves emanating from Mercury and discovered that the rate of wave production varied throughout Mercury’s orbit. As Mercury moved farther from the Sun it generated more waves; as it got closer, the rate of wave production dropped. The results provide key evidence for a theory that these waves are affected, in part, by the strength of the Sun’s magnetic field, which grows weaker with distance. || ",
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        {
            "id": 14110,
            "url": "https://svs.gsfc.nasa.gov/14110/",
            "result_type": "Produced Video",
            "release_date": "2022-02-24T00:00:00-05:00",
            "title": "Global View of Mercury – Animation",
            "description": "Global view of Mercury from NASA’s MESSENGER spacecraft. || MercuryGlobeMESSENGER.gif (1200x675) [12.7 MB] || MercuryGlobePreview_print.jpg (1024x576) [51.6 KB] || MercuryGlobePreview.jpg (3840x2160) [664.3 KB] || MercuryGlobePreview_searchweb.png (320x180) [18.5 KB] || MercuryGlobePreview_thm.png (80x40) [1.6 KB] || Mercury_Globe_MESSENGER_Small.mp4 (3840x2160) [73.8 MB] || Mercury_Globe_MESSENGER_Large.webm (3840x2160) [20.4 MB] || Mercury_Globe_MESSENGER.mov (3840x2160) [9.9 GB] || Mercury_Globe_MESSENGER_Large.mp4 (3840x2160) [1.4 GB] || Mercury_Globe_MESSENGER_Medium.mp4 (3840x2160) [381.3 MB] || ",
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        {
            "id": 30710,
            "url": "https://svs.gsfc.nasa.gov/30710/",
            "result_type": "Hyperwall Visual",
            "release_date": "2016-03-15T12:00:00-04:00",
            "title": "Our Solar System",
            "description": "The 8 planets plus Pluto with planetary axis tilt || planets3x3_pluto_colorMercury_axis_tilt_1080p.00001_print.jpg (1024x576) [75.1 KB] || planets3x3_pluto_colorMercury_axis_tilt_1080p.00001_searchweb.png (320x180) [49.6 KB] || planets3x3_pluto_colorMercury_axis_tilt_1080p.00001_thm.png (80x40) [5.0 KB] || planets3x3_pluto_colorMercury_axis_tilt_720p.00001_web.png (320x180) [50.6 KB] || planets3x3_pluto_colorMercury_axis_tilt_720p.00001_thm.png (80x40) [5.0 KB] || planets3x3_pluto_colorMercury_axis_tilt_1080p.mp4 (1920x1080) [9.2 MB] || planets3x3_pluto_colorMercury_axis_tilt_720p.mp4 (1280x720) [4.7 MB] || planets3x3_pluto_colorMercury_axis_tilt_1080p.webm (1920x1080) [2.7 MB] || planets3x3_pluto_colorMercury_axis_tilt_2160p.mp4 (3840x2160) [28.7 MB] || 3x3_pluto_tilt (4104x2304) [0 Item(s)] || 100-science-overview-001.hwshow || ",
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        },
        {
            "id": 4312,
            "url": "https://svs.gsfc.nasa.gov/4312/",
            "result_type": "Visualization",
            "release_date": "2015-06-01T16:00:00-04:00",
            "title": "Measuring Mercury's Magnetism",
            "description": "Three orbits of MESSENGER at different altitudes show small magnetic field signals from rocks magnetized early in Mercury's history. The signals are strongest at the lowest altitude. || mercury_magnetometry_print.jpg (1024x576) [134.6 KB] || mercury_magnetometry_searchweb.png (320x180) [66.9 KB] || mercury_magnetometry_thm.png (80x40) [4.8 KB] || mercury_magnetometry.tif (2800x3600) [5.4 MB] || ",
            "hits": 133
        },
        {
            "id": 4258,
            "url": "https://svs.gsfc.nasa.gov/4258/",
            "result_type": "Visualization",
            "release_date": "2015-02-06T00:00:00-05:00",
            "title": "Mercury Mascons for the Cover of <i>JGR Planets</i>",
            "description": "A gravity map of Mercury shows mass concentrations (red) centered on the Caloris basin (center) and the Sobkou region (right limb). || mercury_jgr_print.jpg (1024x1280) [170.5 KB] || mercury_jgr_print_ipad_poster_frame.jpg (1024x576) [113.1 KB] || mercury_jgr_web.jpg (320x400) [19.5 KB] || mercury_jgr_searchweb.png (320x180) [71.9 KB] || mercury_jgr_thm.png (80x40) [5.2 KB] || mercury_jgr.tif (2400x3000) [5.7 MB] || ",
            "hits": 23
        },
        {
            "id": 11434,
            "url": "https://svs.gsfc.nasa.gov/11434/",
            "result_type": "Produced Video",
            "release_date": "2013-12-10T13:00:00-05:00",
            "title": "Comet ISON before and during Perihelion",
            "description": "After a year of observations, scientists waited with bated breath on Nov. 28, 2013, as Comet ISON made its closest approach to the sun, known as perihelion. Would the comet disintegrate in the fierce heat and gravity of the sun? Or survive intact to appear as a bright comet in the pre-dawn sky? Some remnant of ISON did indeed make it around the sun, but it quickly dimmed and fizzled as seen with NASA's solar observatories. This does not mean scientists were disappointed, however. On Dec. 10, 2013, researchers presented science results from the comet's last days at the 2013 Fall American Geophysical Union meeting in San Francisco, Calif. They described how this unique comet lost mass in advance of reaching perihelion and most likely broke up during its closest approach, as well, as summarized what this means for determining what the comet was made of. The panel shared results from the Solar and Heliospheric Observatory (SOHO), the Solar Terrestrial Relations Observatory (STEREO), the Mars Reconnaissance Orbiter (MRO) and MESSENGER to present a picture of ISON's trip around the sun, which appears to have led to its demise.  The panel also reported on why ISON was not seen in images from the Solar Dynamics Observatory (SDO). || ",
            "hits": 67
        }
    ]
}