{
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"url": "https://svs.gsfc.nasa.gov/4557/",
"page_type": "Visualization",
"title": "Leaky Radiation Belts",
"description": "This visualization opens with a full view of the radiation belt of trapped electrons circling Earth. We open a slice of the belts, to display a cross-section for clarity and move the camera to a more equatorial view. Earth rotation and solar motion have been turned off for this visualization to reduce distracting additional motions. || LeakyBelts_FullData_ObliqueIntro.slate_CRTT.HD1080i.0600_print.jpg (1024x576) [113.8 KB] || LeakyBelts_FullData_ObliqueIntro.slate_CRTT.HD1080i.0600_searchweb.png (320x180) [83.0 KB] || LeakyBelts_FullData_ObliqueIntro.slate_CRTT.HD1080i.0600_thm.png (80x40) [6.0 KB] || frames/1920x1080_16x9_30p/ObliqueIntro/ (1920x1080) [256.0 KB] || LeakyBelts_FullData_ObliqueIntro.HD1080i_p30.mp4 (1920x1080) [77.0 MB] || LeakyBelts_FullData_ObliqueIntro.HD1080i_p30.webm (1920x1080) [5.5 MB] || frames/3840x2160_16x9_30p/ObliqueIntro/ (3840x2160) [256.0 KB] || LeakyBelts_FullData_ObliqueIntro.UHD2160_p30.mp4 (3840x2160) [279.0 MB] || ",
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"update_date": "2023-11-14T00:09:02.401065-05:00",
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"alt_text": "This visualization opens with a full view of the radiation belt of trapped electrons circling Earth. We open a slice of the belts, to display a cross-section for clarity and move the camera to a more equatorial view. Earth rotation and solar motion have been turned off for this visualization to reduce distracting additional motions.",
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"alt_text": "This visualization opens with a full view of the radiation belt of trapped electrons circling Earth. We open a slice of the belts, to display a cross-section for clarity and move the camera to a more equatorial view. Earth rotation and solar motion have been turned off for this visualization to reduce distracting additional motions.",
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"description": "This visualization opens with a full view of the radiation belt of trapped electrons circling Earth. We open a slice of the belts, to display a cross-section for clarity and move the camera to a more equatorial view. Earth rotation and solar motion have been turned off for this visualization to reduce distracting additional motions.",
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"alt_text": "This visualization opens with a full view of the radiation belt of trapped electrons circling Earth. We open a slice of the belts, to display a cross-section for clarity and move the camera to a more equatorial view. Earth rotation and solar motion have been turned off for this visualization to reduce distracting additional motions.",
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"alt_text": "The Van Allen Probes were a pair of satellites formerly designated as the Radiation Belt Storm Probes (RBSP) which orbited Earth in highly elliptical orbits taking measurements of Earth's radiation belts. They were operational from August 2012 through October 2019.",
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"alt_text": "This visualization opens with a full view of the radiation belt of trapped electrons circling Earth. We open a slice of the belts, to display a cross-section for clarity and move the camera to a more equatorial view. Earth rotation and solar motion have been turned off for this visualization to reduce distracting additional motions.",
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"alt_text": "This visualization opens with a full view of the radiation belt of trapped electrons circling Earth. We open a slice of the belts, to display a cross-section for clarity and move the camera to a more equatorial view. Earth rotation and solar motion have been turned off for this visualization to reduce distracting additional motions.",
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"alt_text": "This visualization opens with a full view of the radiation belt of trapped electrons circling Earth. We open a slice of the belts, to display a cross-section for clarity and move the camera to a more equatorial view. Earth rotation and solar motion have been turned off for this visualization to reduce distracting additional motions.",
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"description": "Since their discovery at the dawn of the Space Age, Earth's radiation belts continue to reveal new complex structures and behaviors.
During a particularly intense event in late June 2015, the inner edge of the region of trapped electrons moved closer to Earth. The electrons of interest had energies in excess of a million electron volts (Wikipedia). As the region retreated outward, it left behind a population of high-energy electrons forming another radiation belt inside the L=2 shell (The 'L-shell' value identifies a field line in a magnetic dipole. The numerical value corresponds to the furthest distance from Earth in Earth radii, in this case two Earth radii). This flux of high-energy electrons persisted considerably longer than expected, the relativistic electrons slowly leaking away. It took over a year for the relativistic electron flux in the belt to decline below the level of detectability for the instruments on the Van Allen Probes.
The 3-dimensional radiation belt model in the visualizations above was constructed by propagating electron flux measurements, corresponding to a given time and distance from Earth measured by the Van Allen Probes, along a 3-dimensional structure of magnetic dipole field lines.",
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"employer": "Global Science and Technology, Inc."
}
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{
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"employer": "The Aerospace Corporation"
}
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},
{
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"name": "Mara Johnson-Groh",
"employer": "Wyle Information Systems"
}
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{
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"people": [
{
"name": "Genna Duberstein",
"employer": "USRA"
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{
"role": "Technical support",
"people": [
{
"name": "Ian Jones",
"employer": "ADNET Systems, Inc."
},
{
"name": "Laurence Schuler",
"employer": "ADNET Systems, Inc."
}
]
}
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"papers": [],
"datasets": [
{
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"common_name": "ECT",
"platform": "Van Allen Probes",
"sensor": "Energetic Particle, Composition, and Thermal Plasma Suite",
"type": "Observed Data",
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"date_range": "2015-03-01 to 2016-06-30"
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"Ionosphere/Magnetosphere Particles",
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"url": "https://svs.gsfc.nasa.gov/4480/",
"page_type": "Visualization",
"title": "Prompt Electron Acceleration in the Radiation Belts",
"description": "Electrons gyrating along the lines of Earth's magnetic field make another orbit around Earth and strike the Van Allen Probe A AGAIN! || PromptAccel_EventCloseup_SlowOblique.slate_RigRHS.HD1080i.0540_print.jpg (1024x576) [139.2 KB] || PromptAccel_EventCloseup_SlowOblique.slate_RigRHS.HD1080i.0540_searchweb.png (320x180) [90.9 KB] || PromptAccel_EventCloseup_SlowOblique.slate_RigRHS.HD1080i.0540_thm.png (80x40) [6.0 KB] || frames/1920x1080_16x9_30p/ (1920x1080) [128.0 KB] || PromptAccel.HD1080i_p30.mp4 (1920x1080) [48.5 MB] || PromptAccel.HD1080i_p30.webm (1920x1080) [3.1 MB] || PromptAccel_EventCloseup_SlowOblique.HD1080i_720p30.mp4 (1280x720) [24.1 MB] || frames/3840x2160_16x9_30p/ (3840x2160) [128.0 KB] || PromptAccel_EventCloseup_SlowOblique_2160p30.mp4 (3840x2160) [141.9 MB] || ",
"release_date": "2016-08-15T14:00:00-04:00",
"update_date": "2023-11-14T00:08:06.352088-05:00",
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"filename": "PromptAccel_EventCloseup_SlowOblique.slate_RigRHS.HD1080i.0540_print.jpg",
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"alt_text": "Electrons gyrating along the lines of Earth's magnetic field make another orbit around Earth and strike the Van Allen Probe A AGAIN!",
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{
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"url": "https://svs.gsfc.nasa.gov/4048/",
"page_type": "Visualization",
"title": "Van Allen Probes New View of the Radiation Belts",
"description": "This visualization is constructed from some of the first data from the Van Allen Probes (formerly RBSP).The belts are constructed from particle samples by the probes as they pass through the belt, so each 3-D snapshot corresponds to the outward or inward portion of the probes' orbit.The major result from this early data is the recognition of a third radiation belt (the outer belt appears to actually be two belts). || ",
"release_date": "2013-02-28T14:00:00-05:00",
"update_date": "2023-11-14T00:04:03.765849-05:00",
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"media_type": "Image",
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"title": "NASA Explores Earth's Magnetic \"Dent\"",
"description": "Music: \"Now We Wait\" by Kamal David Kamruddin [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com and Artbeats is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available. || South_Atlantic_Anomaly_Still_2.jpg (1920x1080) [346.0 KB] || South_Atlantic_Anomaly_Still_2_print.jpg (1024x576) [139.2 KB] || South_Atlantic_Anomaly_Still_2_searchweb.png (320x180) [43.0 KB] || South_Atlantic_Anomaly_Still_2_web.png (320x180) [43.0 KB] || South_Atlantic_Anomaly_Still_2_thm.png (80x40) [4.8 KB] || 13688_South_Atlantic_Anomaly_Fine.mov (1920x1080) [2.6 GB] || 13688_South_Atlantic_Anomaly_Fine.webm (960x540) [65.7 MB] || 13688_South_Atlantic_Anomaly_Fine.mp4 (1920x1080) [292.9 MB] || 13688_South_Atlantic_Anomaly_Fine_lowres.mp4 (1280x720) [52.3 MB] || SAA.en_US.srt [3.5 KB] || SAA.en_US.vtt [3.5 KB] || ",
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"alt_text": "Music: \"Now We Wait\" by Kamal David Kamruddin [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com and Artbeats is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available.",
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{
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"title": "The Electron Beltway",
"description": "NASA's Van Allen Probes reveal how electrons move through the radiation belts that surround Earth. || 12249_1280.jpg (1280x720) [576.4 KB] || 12249_1280_1024x576.jpg (1024x576) [386.3 KB] || ",
"release_date": "2018-04-30T12:00:00-04:00",
"update_date": "2023-05-03T13:46:51.335732-04:00",
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"alt_text": "The Van Allen Probes detected a pulse of high-energy electrons in Earth’s radiation belts after a coronal mass ejection.",
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