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            "page_type": "Produced Video",
            "title": "Exploring Earth's Magnetism",
            "description": "In March 2015, NASA will launch four spacecraft to study how magnetic fields around Earth connect and disconnect—a process known as magnetic reconnection. Magnetic reconnections take place on the day and night side of the planet and are caused by the interaction of Earth’s magnetic field with charged particles released from the sun called the solar wind. The four spacecraft, each identically engineered, make up the Magnetospheric Multiscale, or MMS, mission. Flying in a pyramid-shaped configuration, the spacecraft will orbit Earth and pass through areas known to be reconnection sites. Each reconnection event unleashes a massive burst of energy that can accelerate particles within Earth’s protective magnetic environment, known as the magnetosphere, to nearly the speed of light. Sensors onboard the spacecraft will measure the energy and movement of charged particles during an event, providing scientists with the first three-dimensional look at this phenomenon. Watch the video to learn more. || ",
            "release_date": "2015-01-15T11:00:00-05:00",
            "update_date": "2023-05-03T13:50:07.349263-04:00",
            "main_image": {
                "id": 447386,
                "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011700/a011700/c-1024_print.jpg",
                "filename": "c-1024_print.jpg",
                "media_type": "Image",
                "alt_text": "Four NASA spacecraft will probe the near-space environment around our planet for magnetic explosions.",
                "width": 1024,
                "height": 576,
                "pixels": 589824
            }
        }
    ],
    "sources": [
        {
            "id": 4560,
            "url": "https://svs.gsfc.nasa.gov/4560/",
            "page_type": "Visualization",
            "title": "Alfvén Waves - Basic",
            "description": "Alfven waves represented by undulation in the magnetic field vector. || AlfvenWaveBasic_staticXwide_inertial.HD1080i.0300_print.jpg (1024x576) [158.5 KB] || AlfvenWaveBasic_staticXwide_inertial.HD1080i.0300_thm.png (80x40) [4.6 KB] || AlfvenWaveBasic_staticXwide_inertial.HD1080i.0300_web.png (320x180) [71.9 KB] || WavesOnly (1920x1080) [128.0 KB] || AlfvenWaveBasic_staticXwide.HD1080i_p30.mp4 (1920x1080) [34.0 MB] || AlfvenWaveBasic_staticXwide.HD1080i_p30.webm (1920x1080) [4.9 MB] || ",
            "release_date": "2017-03-31T09:00:00-04:00",
            "update_date": "2023-05-03T13:47:47.746075-04:00",
            "main_image": {
                "id": 415648,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004500/a004560/AlfvenWaveParticles.Basic.MediumGyro.vzAlfvenDG4_staticXclose_inertial.HD1080i.0200_print.jpg",
                "filename": "AlfvenWaveParticles.Basic.MediumGyro.vzAlfvenDG4_staticXclose_inertial.HD1080i.0200_print.jpg",
                "media_type": "Image",
                "alt_text": "A closeup view of the particles from the movie above.",
                "width": 1024,
                "height": 576,
                "pixels": 589824
            }
        },
        {
            "id": 4561,
            "url": "https://svs.gsfc.nasa.gov/4561/",
            "page_type": "Visualization",
            "title": "Alfvén Waves - Kinetic",
            "description": "Kinetic Alfven waves represented by undulation in the magnetic field vector. || AlfvenWaveKinetic_staticXwide_inertial.HD1080i.0300_print.jpg (1024x576) [155.7 KB] || WavesOnly (1920x1080) [128.0 KB] || AlfvenWaveKinetic_staticXwide.HD1080i_p30.mp4 (1920x1080) [37.9 MB] || AlfvenWaveKinetic_staticXwide.HD1080i_p30.webm (1920x1080) [4.9 MB] || ",
            "release_date": "2017-03-31T09:00:00-04:00",
            "update_date": "2023-05-03T13:47:47.923234-04:00",
            "main_image": {
                "id": 415660,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004500/a004561/AlfvenWaveParticles.Kinetic.MediumGyro.vzAlfvenDG4_staticXclose_inertial.HD1080i.0200_print.jpg",
                "filename": "AlfvenWaveParticles.Kinetic.MediumGyro.vzAlfvenDG4_staticXclose_inertial.HD1080i.0200_print.jpg",
                "media_type": "Image",
                "alt_text": "Same as movie above, but no background grid.",
                "width": 1024,
                "height": 576,
                "pixels": 589824
            }
        },
        {
            "id": 12512,
            "url": "https://svs.gsfc.nasa.gov/12512/",
            "page_type": "Produced Video",
            "title": "Observations Reshape Basic Plasma Wave Physics",
            "description": "Music credit: Coolheaded by Jeff CardoniComplete transcript available. || 12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V5_prores.00282_print.jpg (1024x576) [26.7 KB] || 12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V5_prores.00282_searchweb.png (320x180) [16.4 KB] || 12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V5_prores.00282_thm.png (80x40) [2.5 KB] || 12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V5.webm (960x540) [31.9 MB] || 12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V5_appletv.m4v (1280x720) [46.8 MB] || 12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V5_large.mp4 (1920x1080) [83.0 MB] || 12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V5_prores.mov (1280x720) [1.0 GB] || 12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V5_youtube_hq.mov (1920x1080) [141.1 MB] || 12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V5_appletv_subtitles.m4v (1280x720) [46.9 MB] || 12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V3.en_US.srt [1.6 KB] || 12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V3.en_US.vtt [1.6 KB] || 12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V5_ipod_sm.mp4 (320x240) [15.0 MB] || ",
            "release_date": "2017-03-31T09:00:00-04:00",
            "update_date": "2023-05-03T13:47:48.071033-04:00",
            "main_image": {
                "id": 416267,
                "url": "https://svs.gsfc.nasa.gov/vis/a010000/a012500/a012512/12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V5_prores.00282_print.jpg",
                "filename": "12512_Observations_Reshape_Basic_Plasma_Wave_Physics_V5_prores.00282_print.jpg",
                "media_type": "Image",
                "alt_text": "Music credit: Coolheaded by Jeff CardoniComplete transcript available.",
                "width": 1024,
                "height": 576,
                "pixels": 589824
            }
        },
        {
            "id": 12239,
            "url": "https://svs.gsfc.nasa.gov/12239/",
            "page_type": "Produced Video",
            "title": "MMS First Results",
            "description": "This short video outlines the MMS mission and its first results. Since it launched, MMS has made more than 4,000 trips through the magnetic boundaries around Earth, each time gathering information about the way the magnetic fields and particles move. A surprising result was that at the moment of interconnection between the sun’s magnetic field lines and those of Earth the crescents turned abruptly so that the electrons flowed along the field lines. By watching these electron tracers, MMS made the first observation of the predicted breaking and interconnection of magnetic fields in space. Credit: NASA/GSFCWatch this video on the NASA Goddard YouTube channel. || mmsthumb.jpg (1280x720) [139.4 KB] || mmsthumb_print.jpg (1024x576) [161.8 KB] || mmsthumb_searchweb.png (320x180) [104.3 KB] || mmsthumb_web.png (320x180) [104.3 KB] || mmsthumb_thm.png (80x40) [6.8 KB] || 12239_MMS_First_ResultsV2_appletv.m4v (1280x720) [76.9 MB] || 12239_MMS_First_ResultsV2.webm (1920x1080) [18.1 MB] || 12239_MMS_First_ResultsV2_appletv_subtitles.m4v (1280x720) [77.0 MB] || 12239_MMS_First_ResultsV2.en_US.srt [3.0 KB] || 12239_MMS_First_ResultsV2.en_US.vtt [3.0 KB] || YOUTUBE_HQ_12239_MMS_First_ResultsV2_youtube_hq.mov (1920x1080) [1.1 GB] || 12239_MMS_First_ResultsV2_lowres.mp4 (480x272) [21.6 MB] || 12239_MMS_First_ResultsV2_ipod_sm.mp4 (320x240) [26.3 MB] || PRORES_B-ROLL_12239_MMS_First_ResultsV2_prores.mov (1280x720) [2.2 GB] || 12239_MMS_First_ResultsV2.mov (1920x1080) [4.2 GB] || YOUTUBE_HQ_12239_MMS_First_ResultsV2_youtube_hq.mov.hwshow [100 bytes] || ",
            "release_date": "2016-05-12T13:00:00-04:00",
            "update_date": "2025-01-06T01:31:18.790641-05:00",
            "main_image": {
                "id": 424657,
                "url": "https://svs.gsfc.nasa.gov/vis/a010000/a012200/a012239/movieZoomedInJerry4Crafts2Converted.00005_print.jpg",
                "filename": "movieZoomedInJerry4Crafts2Converted.00005_print.jpg",
                "media_type": "Image",
                "alt_text": "This numerical simulation represents the event observed with MMS.  It shows magnetic field lines in black with the background color denoting the electric current density directed out of the plane.  Red regions have stronger electric currents.  The breaking of magnetic fields in these high current regions is magnetic reconnection.  In the event observed by MMS, Earth would be to the left and the Sun would be far to the right.  The spacecraft crossed through the region where reconnection occurs in the vertical direction.  The movie is courtesy of Paul Cassak, Department of Physics and Astronomy, West Virginia University, with input from Tai Phan (Berkeley), Jim Burch (SwRI), and Jerry Goldstein (SwRI).  The movie was made using computational resources from the National Energy Research Scientific Computing (NERSC) Center, a Department of Energy user facility.",
                "width": 1024,
                "height": 1059,
                "pixels": 1084416
            }
        }
    ],
    "products": [],
    "newer_versions": [],
    "older_versions": [],
    "alternate_versions": []
}