Credit: Time.", "items": [ { "id": 311552, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467714, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_1.jpg", "filename": "Mona_1.jpg", "media_type": "Image", "alt_text": "Pictured from left to right: William Pickering, James Van Allen, Werner Von Braun holding up a model of Explorer 1 after its successful launch in 1958. Credit: NASARight: Van Allen and the discovery of the radiation belts, featured on the cover of Time magazine on May 4, 1959. Credit: Time.", "width": 720, "height": 540, "pixels": 388800 } }, { "id": 311553, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467715, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_1_web.png", "filename": "Mona_1_web.png", "media_type": "Image", "alt_text": "Pictured from left to right: William Pickering, James Van Allen, Werner Von Braun holding up a model of Explorer 1 after its successful launch in 1958. Credit: NASARight: Van Allen and the discovery of the radiation belts, featured on the cover of Time magazine on May 4, 1959. Credit: Time.", "width": 320, "height": 240, "pixels": 76800 } }, { "id": 311554, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467716, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_1_thm.png", "filename": "Mona_1_thm.png", "media_type": "Image", "alt_text": "Pictured from left to right: William Pickering, James Van Allen, Werner Von Braun holding up a model of Explorer 1 after its successful launch in 1958. Credit: NASARight: Van Allen and the discovery of the radiation belts, featured on the cover of Time magazine on May 4, 1959. Credit: Time.", "width": 80, "height": 40, "pixels": 3200 } } ], "extra_data": {} }, { "id": 346571, "url": "https://svs.gsfc.nasa.gov/11212/#media_group_346571", "widget": "Single image", "title": "", "caption": "", "description": "A cutaway model of the radiation belts with the 2 RBSP satellites flying through them. The radiation belts are two donut-shaped regions encircling Earth, where high-energy particles, mostly electrons and ions, are trapped by Earth's magnetic field. This radiation is a kind of \"weather\" in space, analogous to weather on Earth, and can affeThe inner belt extends from about 1,000 to 8,000 miles above Earth's equator. The outer belt extends from about 12,000 to 25,000 miles. This graphic also shows other satellites near the region of trapped radiation.
Credit: NASA", "items": [ { "id": 311556, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467718, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_2.jpeg", "filename": "Mona_2.jpeg", "media_type": "Image", "alt_text": "A cutaway model of the radiation belts with the 2 RBSP satellites flying through them. The radiation belts are two donut-shaped regions encircling Earth, where high-energy particles, mostly electrons and ions, are trapped by Earth's magnetic field. This radiation is a kind of \"weather\" in space, analogous to weather on Earth, and can affeThe inner belt extends from about 1,000 to 8,000 miles above Earth's equator. The outer belt extends from about 12,000 to 25,000 miles. This graphic also shows other satellites near the region of trapped radiation. Credit: NASA", "width": 7952, "height": 4449, "pixels": 35378448 } }, { "id": 311555, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467717, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_2_web.png", "filename": "Mona_2_web.png", "media_type": "Image", "alt_text": "A cutaway model of the radiation belts with the 2 RBSP satellites flying through them. The radiation belts are two donut-shaped regions encircling Earth, where high-energy particles, mostly electrons and ions, are trapped by Earth's magnetic field. This radiation is a kind of \"weather\" in space, analogous to weather on Earth, and can affeThe inner belt extends from about 1,000 to 8,000 miles above Earth's equator. The outer belt extends from about 12,000 to 25,000 miles. This graphic also shows other satellites near the region of trapped radiation. Credit: NASA", "width": 320, "height": 179, "pixels": 57280 } }, { "id": 311557, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467719, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_2_thm.png", "filename": "Mona_2_thm.png", "media_type": "Image", "alt_text": "A cutaway model of the radiation belts with the 2 RBSP satellites flying through them. The radiation belts are two donut-shaped regions encircling Earth, where high-energy particles, mostly electrons and ions, are trapped by Earth's magnetic field. This radiation is a kind of \"weather\" in space, analogous to weather on Earth, and can affeThe inner belt extends from about 1,000 to 8,000 miles above Earth's equator. The outer belt extends from about 12,000 to 25,000 miles. This graphic also shows other satellites near the region of trapped radiation. Credit: NASA", "width": 80, "height": 40, "pixels": 3200 } } ], "extra_data": {} }, { "id": 346572, "url": "https://svs.gsfc.nasa.gov/11212/#media_group_346572", "widget": "Single image", "title": "", "caption": "", "description": "NASA's Living With a Star (LWS) program is a space-weather focused and applications driven research program. Its goal is to develop the scientific understanding necessary to effectively address those aspects of the connected sun-Earth system that directly affect life and society. The program is implemented by a series of inter-related science missions, space environment testbeds, and a targeted theory, modeling, and data analysis program. The Van Allen Probes are the second mission in the LWS program.
Credit: NASA", "items": [ { "id": 311558, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467721, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_3.jpg", "filename": "Mona_3.jpg", "media_type": "Image", "alt_text": "NASA's Living With a Star (LWS) program is a space-weather focused and applications driven research program. Its goal is to develop the scientific understanding necessary to effectively address those aspects of the connected sun-Earth system that directly affect life and society. The program is implemented by a series of inter-related science missions, space environment testbeds, and a targeted theory, modeling, and data analysis program. The Van Allen Probes are the second mission in the LWS program. Credit: NASA", "width": 3225, "height": 4725, "pixels": 15238125 } }, { "id": 311559, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467720, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_3_web.jpg", "filename": "Mona_3_web.jpg", "media_type": "Image", "alt_text": "NASA's Living With a Star (LWS) program is a space-weather focused and applications driven research program. Its goal is to develop the scientific understanding necessary to effectively address those aspects of the connected sun-Earth system that directly affect life and society. The program is implemented by a series of inter-related science missions, space environment testbeds, and a targeted theory, modeling, and data analysis program. The Van Allen Probes are the second mission in the LWS program. Credit: NASA", "width": 319, "height": 468, "pixels": 149292 } }, { "id": 311560, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467722, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_3_web.png", "filename": "Mona_3_web.png", "media_type": "Image", "alt_text": "NASA's Living With a Star (LWS) program is a space-weather focused and applications driven research program. Its goal is to develop the scientific understanding necessary to effectively address those aspects of the connected sun-Earth system that directly affect life and society. The program is implemented by a series of inter-related science missions, space environment testbeds, and a targeted theory, modeling, and data analysis program. The Van Allen Probes are the second mission in the LWS program. Credit: NASA", "width": 320, "height": 468, "pixels": 149760 } }, { "id": 311561, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467723, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_3_thm.png", "filename": "Mona_3_thm.png", "media_type": "Image", "alt_text": "NASA's Living With a Star (LWS) program is a space-weather focused and applications driven research program. Its goal is to develop the scientific understanding necessary to effectively address those aspects of the connected sun-Earth system that directly affect life and society. The program is implemented by a series of inter-related science missions, space environment testbeds, and a targeted theory, modeling, and data analysis program. The Van Allen Probes are the second mission in the LWS program. Credit: NASA", "width": 80, "height": 40, "pixels": 3200 } }, { "id": 311562, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467724, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_3_searchweb.png", "filename": "Mona_3_searchweb.png", "media_type": "Image", "alt_text": "NASA's Living With a Star (LWS) program is a space-weather focused and applications driven research program. Its goal is to develop the scientific understanding necessary to effectively address those aspects of the connected sun-Earth system that directly affect life and society. The program is implemented by a series of inter-related science missions, space environment testbeds, and a targeted theory, modeling, and data analysis program. The Van Allen Probes are the second mission in the LWS program. Credit: NASA", "width": 320, "height": 180, "pixels": 57600 } } ], "extra_data": {} }, { "id": 346573, "url": "https://svs.gsfc.nasa.gov/11212/#media_group_346573", "widget": "Video player", "title": "", "caption": "", "description": "This two part movie shows an Aug. 31 coronal mass ejection (CME) from the sun , the same event that caused depletion and refilling of the radiation belts just after the Relativistic Electron-Proton Telescope (REPT) instruments on the Van Allen Probes were turned on. The first movie shows the CME as captured by NASA's Solar Dynamics Observatory (SDO); the second shows several views of the same CME from the Solar and Heliospheric Observatory (SOHO).
Credit: NASA", "items": [ { "id": 311567, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467729, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_Kessel_4-H264_Mp4_1280x72000002_print.jpg", "filename": "Mona_Kessel_4-H264_Mp4_1280x72000002_print.jpg", "media_type": "Image", "alt_text": "This two part movie shows an Aug. 31 coronal mass ejection (CME) from the sun , the same event that caused depletion and refilling of the radiation belts just after the Relativistic Electron-Proton Telescope (REPT) instruments on the Van Allen Probes were turned on. The first movie shows the CME as captured by NASA's Solar Dynamics Observatory (SDO); the second shows several views of the same CME from the Solar and Heliospheric Observatory (SOHO). Credit: NASA", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 311564, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467726, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_Kessel_4-H264_Mp4_1280x720_web.png", "filename": "Mona_Kessel_4-H264_Mp4_1280x720_web.png", "media_type": "Image", "alt_text": "This two part movie shows an Aug. 31 coronal mass ejection (CME) from the sun , the same event that caused depletion and refilling of the radiation belts just after the Relativistic Electron-Proton Telescope (REPT) instruments on the Van Allen Probes were turned on. The first movie shows the CME as captured by NASA's Solar Dynamics Observatory (SDO); the second shows several views of the same CME from the Solar and Heliospheric Observatory (SOHO). Credit: NASA", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 311565, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467727, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_Kessel_4-H264_Mp4_1280x720_thm.png", "filename": "Mona_Kessel_4-H264_Mp4_1280x720_thm.png", "media_type": "Image", "alt_text": "This two part movie shows an Aug. 31 coronal mass ejection (CME) from the sun , the same event that caused depletion and refilling of the radiation belts just after the Relativistic Electron-Proton Telescope (REPT) instruments on the Van Allen Probes were turned on. The first movie shows the CME as captured by NASA's Solar Dynamics Observatory (SDO); the second shows several views of the same CME from the Solar and Heliospheric Observatory (SOHO). Credit: NASA", "width": 80, "height": 40, "pixels": 3200 } }, { "id": 311563, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467725, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_Kessel_4-H264_Mp4_1280x720.mp4", "filename": "Mona_Kessel_4-H264_Mp4_1280x720.mp4", "media_type": "Movie", "alt_text": "This two part movie shows an Aug. 31 coronal mass ejection (CME) from the sun , the same event that caused depletion and refilling of the radiation belts just after the Relativistic Electron-Proton Telescope (REPT) instruments on the Van Allen Probes were turned on. The first movie shows the CME as captured by NASA's Solar Dynamics Observatory (SDO); the second shows several views of the same CME from the Solar and Heliospheric Observatory (SOHO). Credit: NASA", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 311566, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467728, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Mona_Kessel_4-H264_Mp4_1280x720.webmhd.webm", "filename": "Mona_Kessel_4-H264_Mp4_1280x720.webmhd.webm", "media_type": "Movie", "alt_text": "This two part movie shows an Aug. 31 coronal mass ejection (CME) from the sun , the same event that caused depletion and refilling of the radiation belts just after the Relativistic Electron-Proton Telescope (REPT) instruments on the Van Allen Probes were turned on. The first movie shows the CME as captured by NASA's Solar Dynamics Observatory (SDO); the second shows several views of the same CME from the Solar and Heliospheric Observatory (SOHO). Credit: NASA", "width": 960, "height": 540, "pixels": 518400 } } ], "extra_data": {} }, { "id": 346574, "url": "https://svs.gsfc.nasa.gov/11212/#media_group_346574", "widget": "Single image", "title": "", "caption": "", "description": "This graph shows energetic electron data gathered by the Relativistic Electron-Proton Telescope (REPT) instruments, on the twin Van Allen Probes satellites in eccentric orbits around the Earth, from Sept. 1, 2012 to Oct. 4, 2012 (horizontal axis). It shows three discrete energy channels (measured in megaelectron volts, or MeV). The third belt region (in yellow) and second slot (in green) are highlighted, and exist up until a coronal mass ejection (CME) destroys them on Oct. 1. The vertical axis in each is L*, effectively the distance in Earth radii at which a magnetic field line crosses the magnetic equatorial plane.
Credit: LASP", "items": [ { "id": 311568, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467730, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Dan1a.jpg", "filename": "Dan1a.jpg", "media_type": "Image", "alt_text": "This graph shows energetic electron data gathered by the Relativistic Electron-Proton Telescope (REPT) instruments, on the twin Van Allen Probes satellites in eccentric orbits around the Earth, from Sept. 1, 2012 to Oct. 4, 2012 (horizontal axis). It shows three discrete energy channels (measured in megaelectron volts, or MeV). The third belt region (in yellow) and second slot (in green) are highlighted, and exist up until a coronal mass ejection (CME) destroys them on Oct. 1. The vertical axis in each is L*, effectively the distance in Earth radii at which a magnetic field line crosses the magnetic equatorial plane. Credit: LASP", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 311569, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467731, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Dan1a_web.png", "filename": "Dan1a_web.png", "media_type": "Image", "alt_text": "This graph shows energetic electron data gathered by the Relativistic Electron-Proton Telescope (REPT) instruments, on the twin Van Allen Probes satellites in eccentric orbits around the Earth, from Sept. 1, 2012 to Oct. 4, 2012 (horizontal axis). It shows three discrete energy channels (measured in megaelectron volts, or MeV). The third belt region (in yellow) and second slot (in green) are highlighted, and exist up until a coronal mass ejection (CME) destroys them on Oct. 1. The vertical axis in each is L*, effectively the distance in Earth radii at which a magnetic field line crosses the magnetic equatorial plane. Credit: LASP", "width": 320, "height": 180, "pixels": 57600 } } ], "extra_data": {} }, { "id": 346575, "url": "https://svs.gsfc.nasa.gov/11212/#media_group_346575", "widget": "Single image", "title": "", "caption": "", "description": "Graphic with annotations.
Credit: LASP", "items": [ { "id": 311570, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467733, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Dan1b.jpg", "filename": "Dan1b.jpg", "media_type": "Image", "alt_text": "Graphic with annotations.Credit: LASP", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 311571, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467732, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Dan1b_web.png", "filename": "Dan1b_web.png", "media_type": "Image", "alt_text": "Graphic with annotations.Credit: LASP", "width": 320, "height": 180, "pixels": 57600 } } ], "extra_data": {} }, { "id": 346576, "url": "https://svs.gsfc.nasa.gov/11212/#media_group_346576", "widget": "Video player", "title": "", "caption": "", "description": "One of the two Relativistic Electron-Proton Telescope (REPT) instruments for the Van Allen Probes is shown prior to and then during integration into the spacecraft in 2012. Each Van Allen Probe carries an identical suite of five instruments; REPT is part of the Energetic Particle, Composition, and Thermal Plasma Suite (ECT) aboard the Van Allen Probes.
Credit: JHUAPL", "items": [ { "id": 311576, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467738, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Daniel_Baker_2a-H264_Mp4_1280x72000002_print.jpg", "filename": "Daniel_Baker_2a-H264_Mp4_1280x72000002_print.jpg", "media_type": "Image", "alt_text": "One of the two Relativistic Electron-Proton Telescope (REPT) instruments for the Van Allen Probes is shown prior to and then during integration into the spacecraft in 2012. Each Van Allen Probe carries an identical suite of five instruments; REPT is part of the Energetic Particle, Composition, and Thermal Plasma Suite (ECT) aboard the Van Allen Probes. Credit: JHUAPL", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 311573, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467735, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Daniel_Baker_2a-H264_Mp4_1280x720_web.png", "filename": "Daniel_Baker_2a-H264_Mp4_1280x720_web.png", "media_type": "Image", "alt_text": "One of the two Relativistic Electron-Proton Telescope (REPT) instruments for the Van Allen Probes is shown prior to and then during integration into the spacecraft in 2012. Each Van Allen Probe carries an identical suite of five instruments; REPT is part of the Energetic Particle, Composition, and Thermal Plasma Suite (ECT) aboard the Van Allen Probes. Credit: JHUAPL", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 311574, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467736, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Daniel_Baker_2a-H264_Mp4_1280x720_thm.png", "filename": "Daniel_Baker_2a-H264_Mp4_1280x720_thm.png", "media_type": "Image", "alt_text": "One of the two Relativistic Electron-Proton Telescope (REPT) instruments for the Van Allen Probes is shown prior to and then during integration into the spacecraft in 2012. Each Van Allen Probe carries an identical suite of five instruments; REPT is part of the Energetic Particle, Composition, and Thermal Plasma Suite (ECT) aboard the Van Allen Probes. Credit: JHUAPL", "width": 80, "height": 40, "pixels": 3200 } }, { "id": 311572, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467734, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Daniel_Baker_2a-H264_Mp4_1280x720.mp4", "filename": "Daniel_Baker_2a-H264_Mp4_1280x720.mp4", "media_type": "Movie", "alt_text": "One of the two Relativistic Electron-Proton Telescope (REPT) instruments for the Van Allen Probes is shown prior to and then during integration into the spacecraft in 2012. Each Van Allen Probe carries an identical suite of five instruments; REPT is part of the Energetic Particle, Composition, and Thermal Plasma Suite (ECT) aboard the Van Allen Probes. Credit: JHUAPL", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 311575, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467737, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Daniel_Baker_2a-H264_Mp4_1280x720.webmhd.webm", "filename": "Daniel_Baker_2a-H264_Mp4_1280x720.webmhd.webm", "media_type": "Movie", "alt_text": "One of the two Relativistic Electron-Proton Telescope (REPT) instruments for the Van Allen Probes is shown prior to and then during integration into the spacecraft in 2012. Each Van Allen Probe carries an identical suite of five instruments; REPT is part of the Energetic Particle, Composition, and Thermal Plasma Suite (ECT) aboard the Van Allen Probes. Credit: JHUAPL", "width": 960, "height": 540, "pixels": 518400 } } ], "extra_data": {} }, { "id": 346577, "url": "https://svs.gsfc.nasa.gov/11212/#media_group_346577", "widget": "Single image", "title": "", "caption": "", "description": "This long-term plot (approximately 12 years) from NASA's Solar Anomalous and Magnetospheric Particle Explorer (SAMPEX) spacecraft shows the established two-belt structure of the Van Allen radiation belts above the Earth. The L value is distance above the Earth. New, more advanced instrumentation on the Van Allen Probes has revealed a third belt.
Credit: NASA", "items": [ { "id": 311577, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467739, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Dan3.jpg", "filename": "Dan3.jpg", "media_type": "Image", "alt_text": "This long-term plot (approximately 12 years) from NASA's Solar Anomalous and Magnetospheric Particle Explorer (SAMPEX) spacecraft shows the established two-belt structure of the Van Allen radiation belts above the Earth. The L value is distance above the Earth. New, more advanced instrumentation on the Van Allen Probes has revealed a third belt. Credit: NASA", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 311578, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467740, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Dan3_web.png", "filename": "Dan3_web.png", "media_type": "Image", "alt_text": "This long-term plot (approximately 12 years) from NASA's Solar Anomalous and Magnetospheric Particle Explorer (SAMPEX) spacecraft shows the established two-belt structure of the Van Allen radiation belts above the Earth. The L value is distance above the Earth. New, more advanced instrumentation on the Van Allen Probes has revealed a third belt. Credit: NASA", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 311579, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467741, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Dan3_thm.png", "filename": "Dan3_thm.png", "media_type": "Image", "alt_text": "This long-term plot (approximately 12 years) from NASA's Solar Anomalous and Magnetospheric Particle Explorer (SAMPEX) spacecraft shows the established two-belt structure of the Van Allen radiation belts above the Earth. The L value is distance above the Earth. New, more advanced instrumentation on the Van Allen Probes has revealed a third belt. Credit: NASA", "width": 80, "height": 40, "pixels": 3200 } } ], "extra_data": {} }, { "id": 346578, "url": "https://svs.gsfc.nasa.gov/11212/#media_group_346578", "widget": "Video player", "title": "", "caption": "", "description": "This animation shows meridional (from north-south) plane projections of the REPT-A and REPT-B electron flux values. The animation first shows the expected two-belt Van Allen zone structure; from Sept. 3 through Sept. 6 only an intense belt of electrons remains and the inner zone and traditional slot region have not changed; next, the third 'storage ring' belt feature persists while a new slot region is seen and a completely new outer zone population has formed. Then, around Oct. 1, the storage ring feature remains while the outer zone decays away.
Credit: LASP", "items": [ { "id": 311584, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467746, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Daniel_Baker_4-H264_Mp4_1280x72000002_print.jpg", "filename": "Daniel_Baker_4-H264_Mp4_1280x72000002_print.jpg", "media_type": "Image", "alt_text": "This animation shows meridional (from north-south) plane projections of the REPT-A and REPT-B electron flux values. The animation first shows the expected two-belt Van Allen zone structure; from Sept. 3 through Sept. 6 only an intense belt of electrons remains and the inner zone and traditional slot region have not changed; next, the third 'storage ring' belt feature persists while a new slot region is seen and a completely new outer zone population has formed. Then, around Oct. 1, the storage ring feature remains while the outer zone decays away. 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Credit: NASA
To download the video, click here.", "items": [ { "id": 311597, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467759, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/Helio2012.slate_GSEmove.HD1080i.0900_web.png", "filename": "Helio2012.slate_GSEmove.HD1080i.0900_web.png", "media_type": "Image", "alt_text": "This movie shows NASA's Earth-orbiting heliophysics fleet as of 2013, from near Earth orbit out to the orbit of the moon. These missions study the thermosphere, ionosphere, and mesosphere; geospace and the magnetosphere; the heliosphere; and take solar observations and imagery. The Van Allen Probes (marked here as RBSP-A and RBSP-B) are in a highly elliptical orbit, shown in blue, around the Earth. Working as a team, these spacecraft provide the most comprehensive picture ever provided of how our sun interacts with our world. Credit: NASATo download the video, click here.", "width": 320, "height": 180, "pixels": 57600 } } ], "extra_data": {} }, { "id": 346583, "url": "https://svs.gsfc.nasa.gov/11212/#media_group_346583", "widget": "Video player", "title": "", "caption": "", "description": "The Forecast Office of NOAA's Space Weather Prediction Center is the nation's official source of alerts, warnings, and watches. The office, staffed 24/7, is always vigilant for solar activity that can affect critical infrastructure.
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For complete transcript, click here.", "items": [ { "id": 311619, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467774, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/vanallenprobe3rdbelt.png", "filename": "vanallenprobe3rdbelt.png", "media_type": "Image", "alt_text": "A narrated short video featuring visualizations of the Van Allen Belt's three ring structure. This video was not part of the news briefing, but is included in the associated feature story. For complete transcript, click here.", "width": 1263, "height": 707, "pixels": 892941 } }, { "id": 311620, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 467775, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011212/vanallenprobe3rdbelt_web.png", "filename": "vanallenprobe3rdbelt_web.png", "media_type": "Image", "alt_text": "A narrated short video featuring visualizations of the Van Allen Belt's three ring structure. 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The mission consists of two spacecraft orbiting through the radiation belts encircling Earth. Scientists want to understand what causes the changing shapes of the belts—a region that can sometimes swell dramatically in response to incoming energy from the sun, posing a threat to satellites and spacecraft. Inner and outer radiation belts were discovered in 1958 with instruments on the very first U.S. satellites sent into space. But in September 2012 something happened that had never been recorded before: the particles that make up the belts settled into a new configuration, separating into three belts instead of two. The third belt lasted for four weeks, proving that the Van Allen Probes have much left to explore in near-Earth space. Watch the visualization to see what the Van Allen Probes observed. || ", "release_date": "2013-05-02T00:00:00-04:00", "update_date": "2023-05-03T13:52:11.745835-04:00", "main_image": { "id": 465995, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011239/541965main_ArrayDeployment_smaller.jpg", "filename": "541965main_ArrayDeployment_smaller.jpg", "media_type": "Image", "alt_text": "The two Van Allen Probes are designed to lap each other many times during the mission, to observe occurrences throughout the belts.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 4048, "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": "2025-01-05T22:20:43.291691-05:00", "main_image": { "id": 467838, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004000/a004048/VanAllenBeltsFull.noslate_GSE.HD1080i.0300.jpg", "filename": "VanAllenBeltsFull.noslate_GSE.HD1080i.0300.jpg", "media_type": "Image", "alt_text": "Full 3-D belt visualization.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 11069, "url": "https://svs.gsfc.nasa.gov/11069/", "page_type": "Produced Video", "title": "Van Allen Probes Overview", "description": "The Van Allen Probes (formerly the Radiation Belt Storm Probes, RBSP) will explore the Van Allen Radiation Belts in the Earth's magnetosphere. The charged particles in these regions can be hazardous to both spacecraft and astronauts. Project Scientist Dr. David Sibeck explains the how the mission will explore space weather — changes in Earth's space environment caused by the sun — that can disable satellites, create power grid failures and disrupt GPS service. The mission also will allow researchers to understand fundamental radiation and particle acceleration processes throughout the universe.The 2-year mission launched Thursday, Aug. 23 from Cape Canaveral Air Force Station in Florida. The twin probes lifted off on a United Launch Alliance Atlas V rocket. || ", "release_date": "2012-11-09T12:00:00-05:00", "update_date": "2023-05-03T13:52:38.728118-04:00", "main_image": { "id": 473343, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011000/a011069/RBSP320.jpg", "filename": "RBSP320.jpg", "media_type": "Image", "alt_text": "RBSP Mission OverviewThe two-year RBSP mission will help scientists develop an understanding of Earth's Van Allen radiation belts and related regions that pose hazards to human and robotic explorersFor complete transcript, click here.", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 3969, "url": "https://svs.gsfc.nasa.gov/3969/", "page_type": "Visualization", "title": "The 2012 Earth-Orbiting Heliophysics Fleet", "description": "Since Sentinels of the Heliosphere in 2008, there have been a few new missions, and a few missions have been shut down. As of Fall of 2012, here's a tour of the NASA Near-Earth Heliophysics fleet, covering the space from near-Earth orbit out to the orbit of the Moon.Revision (November 9, 2012): The RBSP mission has been renamed the Van Allen Probes. NASA Press Release.The satellite orbits are color coded for their observing program:Magenta: TIM (Thermosphere, Ionosphere, Mesosphere) observationsYellow: solar observations and imageryCyan: Geospace and magnetosphereViolet: Heliospheric observationsNear-Earth Fleet:Hinode: Observes the Sun in multiple wavelengths up to x-rays. SVS pageRHESSI : Observes the Sun in x-rays and gamma-rays. SVS pageTIMED: Studies the upper layers (40-110 miles up) of the Earth's atmosphere.FAST: Measures particles and fields in regions where aurora form.CINDI: Measures interactions of neutral and charged particles in the ionosphere. SORCE: Monitors solar intensity across a broad range of the electromagnetic spectrum.AIM: Images and measures noctilucent clouds. SVS pageRBSP: (Renamed the Van Allen Probes) Designed to study the impact of space weather on Earth's radiation belts. SVS pageGeosynchronous Fleet:SDO: Solar Dynamics Observatory keeps the Sun under continuous observation at 16 megapixel resolution.GOES: The newest GOES satellites include a solar X-ray imager operated by NOAA.Geospace Fleet:Geotail: Conducts measurements of electrons and ions in the Earth's magnetotail. Cluster: This is a group of four satellites which fly in formation to measure how particles and fields in the magnetosphere vary in space and time. SVS pageTHEMIS: This is a fleet of three satellites to study how magnetospheric instabilities produce substorms. Two of the original five satellites were moved into lunar orbit to become ARTEMIS. SVS page IBEX: The Interstellar Boundary Explorer measures the flux of neutral atoms from the heliopause.Lunar Orbiting FleetARTEMIS: Two of the THEMIS satellites were moved into lunar orbit to study the interaction of the Earth's magnetosphere with the Moon.Note: A number of near-Earth missions had their orbits generated from Two-Line orbital elements valid in July 2012. Orbit perturbations since then may result in significant deviation from the actual satellite position for the time frame of this visualization. || ", "release_date": "2012-09-20T00:00:00-04:00", "update_date": "2025-02-02T22:07:38.068996-05:00", "main_image": { "id": 473624, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003900/a003969/Helio2012.slate_GSEmove.HD1080i.0900.jpg", "filename": "Helio2012.slate_GSEmove.HD1080i.0900.jpg", "media_type": "Image", "alt_text": "Movie showing the heliosphysics missions from near Earth orbit out to the orbit of the Moon.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 11027, "url": "https://svs.gsfc.nasa.gov/11027/", "page_type": "Produced Video", "title": "RBSP L-14 Press Conference", "description": "The Radiation Belt Storm Probes mission is part of NASA's Living With a Star Geospace program to explore fundamental processes that operate throughout the solar system, in particular those that generate hazardous space weather effects near the Earth and phenomena that could affect solar system exploration.RBSP is designed to help us understand the sun's influence on the Earth and near-Earth space by studying the planet's radiation belts on various scales of space and time.Understanding the radiation belt environment and its variability has extremely important practical applications in the areas of spacecraft operations, spacecraft and spacecraft system design, mission planning, and astronaut safety.RBSP is scheduled to launch no earlier than 4:08 a.m. Thursday, Aug. 23 from Cape Canaveral Air Force Station in Florida. The twin probes will lift off on a United Launch Alliance Atlas V rocket.News conference panelists are:— Madhulika Guhathakurta, Living With a Star program scientist, NASA Headquarters, Washington— Mona Kessel, RBSP program scientist, NASA Headquarters— Barry Mauk, RBSP project scientist, Johns Hopkins University Applied Physics Laboratory (APL), Laurel, Md.— Rick Fitzgerald, RBSP project manager, APL, Laurel, Md. || ", "release_date": "2012-08-09T14:00:00-04:00", "update_date": "2023-05-03T13:52:51.514000-04:00", "main_image": { "id": 473438, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011000/a011027/EMFISIS_Still.png", "filename": "EMFISIS_Still.png", "media_type": "Image", "alt_text": "Animation showing RBSP's deployment of its solar arrays and the Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) magnetometer booms.Credit: NASA/Johns Hopkins University Applied Physics Laboratory", "width": 1920, "height": 1080, "pixels": 2073600 } } ], "sources": [], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }