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"page_type": "Visualization",
"title": "The Solar Polar Magnetic Field",
"description": "From our single vantage point of Earth, our view of the Sun is never complete. While the far-side of the Sun eventually rotates into view, coverage of the Sun's polar regions is never satisfactory as perspective effects either completely block our view or create a distorted view. We must often resort to computer modeling of these solar polar regions.This visualization presents the Potential Field Source Surface (PFSS) magnetic field model based on solar observations covering the years 2017-2019. One version also presents the 'hole' in our measurements of the solar polar region. The region oscillates in size over the course of the year due to the changing perspective created by the tilt of Earth's orbital plane with the solar equator. In this region, researchers must resort to approximations to build a more complete view of the solar magnetic field.Why is the solar magnetic field in this region important? Because the combined with the outgoing flow of the solar wind, the magnetic field lines from the polar regions curve up, and then back down to near the Sun's equatorial plane, which is still fairly close to the orbital plane of Earth and other planets in our solar system. This gives the Sun's polar magnetic field a significant influence on the space weather impacting Earth and crewed and uncrewed assets around the solar system. || ",
"release_date": "2020-02-04T12:00:00-05:00",
"update_date": "2023-05-03T13:45:13.561169-04:00",
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"alt_text": "This movie gives a view starting at equator and tipping to a view of the north heliographic pole (the blue axis) then dipping down to the south heliographic pole. Closed field lines are white/grey, green and violet lines represent field lines that are considered 'open'. Green represents positive magnetic polarity, and violet represents negative polarity. The dark rings around the blue polar axis show the region where the solar surface magnetic field must be generated from a model. This region grows and shrinks depending on SDOs position in its orbit around the Sun and Earth (above and below the solar equator, which is tilted by 7.25 degrees relative to Earth's orbital plane).",
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"media_type": "Movie",
"alt_text": "This movie gives a view starting at equator and tipping to a view of the north heliographic pole (the blue axis) then dipping down to the south heliographic pole. Closed field lines are white/grey, green and violet lines represent field lines that are considered 'open'. Green represents positive magnetic polarity, and violet represents negative polarity. The dark rings around the blue polar axis show the region where the solar surface magnetic field must be generated from a model. This region grows and shrinks depending on SDOs position in its orbit around the Sun and Earth (above and below the solar equator, which is tilted by 7.25 degrees relative to Earth's orbital plane).",
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"progress": "Complete",
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"description": "From our single vantage point of Earth, our view of the Sun is never complete. While the far-side of the Sun eventually rotates into view, coverage of the Sun's polar regions is never satisfactory as perspective effects either completely block our view or create a distorted view. We must often resort to computer modeling of these solar polar regions.
This visualization presents the Potential Field Source Surface (PFSS) magnetic field model based on solar observations covering the years 2017-2019. One version also presents the 'hole' in our measurements of the solar polar region. The region oscillates in size over the course of the year due to the changing perspective created by the tilt of Earth's orbital plane with the solar equator. In this region, researchers must resort to approximations to build a more complete view of the solar magnetic field.
Why is the solar magnetic field in this region important? Because the combined with the outgoing flow of the solar wind, the magnetic field lines from the polar regions curve up, and then back down to near the Sun's equatorial plane, which is still fairly close to the orbital plane of Earth and other planets in our solar system. This gives the Sun's polar magnetic field a significant influence on the space weather impacting Earth and crewed and uncrewed assets around the solar system.",
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"description": "This movie gives a view starting at equator and tipping to a view of the north heliographic pole (the blue axis) then dipping down to the south heliographic pole. Closed field lines are white/grey, green and violet lines represent field lines that are considered 'open'. Green represents positive magnetic polarity, and violet represents negative polarity. The dark rings around the blue polar axis show the region where the solar surface magnetic field must be generated from a model. This region grows and shrinks depending on SDOs position in its orbit around the Sun and Earth (above and below the solar equator, which is tilted by 7.25 degrees relative to Earth's orbital plane).",
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"media_type": "Frames",
"alt_text": "This movie gives a view starting at equator and tipping to a view of the north heliographic pole (the blue axis) then dipping down to the south heliographic pole. Closed field lines are white/grey, green and violet lines represent field lines that are considered 'open'. Green represents positive magnetic polarity, and violet represents negative polarity. The dark rings around the blue polar axis show the region where the solar surface magnetic field must be generated from a model. This region grows and shrinks depending on SDOs position in its orbit around the Sun and Earth (above and below the solar equator, which is tilted by 7.25 degrees relative to Earth's orbital plane).",
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"alt_text": "This movie gives a view starting at equator and tipping to a view of the north heliographic pole (the blue axis) then dipping down to the south heliographic pole. Closed field lines are white/grey, green and violet lines represent field lines that are considered 'open'. Green represents positive magnetic polarity, and violet represents negative polarity. The dark rings around the blue polar axis show the region where the solar surface magnetic field must be generated from a model. This region grows and shrinks depending on SDOs position in its orbit around the Sun and Earth (above and below the solar equator, which is tilted by 7.25 degrees relative to Earth's orbital plane).",
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"alt_text": "This movie gives a view starting at equator and tipping to a view of the north heliographic pole (the blue axis) then dipping down to the south heliographic pole. Closed field lines are white/grey, green and violet lines represent field lines that are considered 'open'. Green represents positive magnetic polarity, and violet represents negative polarity. The dark rings around the blue polar axis show the region where the solar surface magnetic field must be generated from a model. This region grows and shrinks depending on SDOs position in its orbit around the Sun and Earth (above and below the solar equator, which is tilted by 7.25 degrees relative to Earth's orbital plane).",
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"media_type": "Movie",
"alt_text": "This movie gives a view starting at equator and tipping to a view of the north heliographic pole (the blue axis) then dipping down to the south heliographic pole. Closed field lines are white/grey, green and violet lines represent field lines that are considered 'open'. Green represents positive magnetic polarity, and violet represents negative polarity. The dark rings around the blue polar axis show the region where the solar surface magnetic field must be generated from a model. This region grows and shrinks depending on SDOs position in its orbit around the Sun and Earth (above and below the solar equator, which is tilted by 7.25 degrees relative to Earth's orbital plane).",
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"widget": "Video player",
"title": "",
"caption": "",
"description": "This movie has a view (roughly) from the position of SDO. The polar gap rings are not shown on these.",
"items": [
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"instance": {
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"filename": "PFSSSDOView_inertial.UHD3840.00000_print.jpg",
"media_type": "Image",
"alt_text": "This movie has a view (roughly) from the position of SDO. The polar gap rings are not shown on these.",
"width": 1024,
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"media_type": "Movie",
"alt_text": "This movie has a view (roughly) from the position of SDO. The polar gap rings are not shown on these.",
"width": 1920,
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"filename": "SDOview",
"media_type": "Frames",
"alt_text": "This movie has a view (roughly) from the position of SDO. The polar gap rings are not shown on these.",
"width": 1920,
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}
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"media_type": "Movie",
"alt_text": "This movie has a view (roughly) from the position of SDO. The polar gap rings are not shown on these.",
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"media_type": "Frames",
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"description": "This movie has a view a fixed solar longitude so the Sun does not appear to rotate. The polar gap rings are not shown on these.",
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"alt_text": "This movie has a view a fixed solar longitude so the Sun does not appear to rotate. The polar gap rings are not shown on these.",
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}
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}
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{
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"title": "Solar Orbiter Science Press Briefing",
"description": "NASA and the European Space Agency (ESA) will present Solar Orbiter, the ESA/NASA mission to the Sun, during a science press briefing on Friday, Feb. 7. 2020, at 2.30 p.m. EST. Solar Orbiter will observe the Sun with high spatial resolution telescopes and capture observations in the environment directly surrounding the spacecraft to create a one-of-a-kind picture of how the Sun can affect the space environment throughout our solar system. The spacecraft also will provide the first-ever images of the Sun’s poles and the never-before-observed magnetic environment there, which helps drive the Sun’s 11-year solar cycle and its periodic outpouring of solar storms.The teleconference audio will stream live at:https://www.nasa.gov/liveParticipants include:European Space Agency• Daniel Müller, Solar Orbiter Project Scientist• Günther Hasinger, Director of ScienceNASA• Nicky Fox, Heliophysics Division Director, NASA HQ• Thomas Zurbuchen, Associate Administrator for the Science Mission Directorate, NASA HQ || ",
"release_date": "2020-02-07T14:30:00-05:00",
"update_date": "2023-05-03T13:45:13.124783-04:00",
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"media_type": "Image",
"alt_text": "Animation showing the deployment of the boom and antennas. Solar Orbiter carries a comprehensive suite of 10 instruments that take both in situ and remote measurements.Credit: ESA/ATG Medialab",
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{
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"url": "https://svs.gsfc.nasa.gov/13527/",
"page_type": "Produced Video",
"title": "New Mission Will Take First Peek at Sun’s Poles",
"description": "A new spacecraft is journeying to the Sun to snap the first pictures of the Sun’s north and south poles. Solar Orbiter, a collaboration between ESA (the European Space Agency) and NASA will have its first opportunity to launch from Cape Canaveral on Feb. 7, 2020, at 11:15 p.m. EST. Launching on a United Launch Alliance Atlas V rocket, the spacecraft will use Venus’ and Earth’s gravity to swing itself out of the ecliptic plane — the swath of space, roughly aligned with the Sun’s equator, where all planets orbit. From there, Solar Orbiter's bird’s eye view will give it the first-ever look at the Sun's poles.Read more: https://www.nasa.gov/feature/goddard/2020/new-mission-will-take-first-peek-at-sun-s-poles || ",
"release_date": "2020-01-27T12:00:00-05:00",
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"alt_text": "VideoWatch this video on the NASA Goddard YouTube channel.Music credits: “Oxide” and “Virtual Tidings” by Andrew Michael Britton [PRS], David Stephen Goldsmith [PRS]; “Progressive Practice” by Emmanuel David Lipszc [SACEM], Franck Lascombes [SACEM], Sebastien Lipszyc [SACEM]; “Political Spectrum” by Laurent Dury [SACEM} from Universal Production MusicComplete transcript available.",
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"title": "The Dynamic Solar Magnetic Field with Introduction",
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"release_date": "2018-04-30T10:00:00-04:00",
"update_date": "2023-11-15T00:11:32.003767-05:00",
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{
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"title": "The Dynamic Solar Magnetic Field",
"description": "A visualization of the slow changes of the solar magnetic field over the course of four years. || PFSSbasicView_inertial.HD1080i.0400_print.jpg (1024x576) [168.7 KB] || PFSSbasicView_inertial.HD1080i.0400_searchweb.png (320x180) [78.9 KB] || PFSSbasicView_inertial.HD1080i.0400_thm.png (80x40) [5.8 KB] || PFSSbasicView_inertial_1080p30.mp4 (1920x1080) [326.6 MB] || PFSSbasicView_inertial_1080p10.mp4 (1920x1080) [470.2 MB] || PFSSbasicView_HD1080p10.mov (1920x1080) [804.4 MB] || PFSSbasicView_inertial_1080p30.webm (1920x1080) [18.1 MB] || frames/1920x1080_16x9_30p/PFSSbasicView/ (1920x1080) [128.0 KB] || ",
"release_date": "2016-01-29T10:00:00-05:00",
"update_date": "2024-01-25T00:06:45.027124-05:00",
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"media_type": "Image",
"alt_text": "High-resolution still image of the solar magnetic field via PFSS - January 1, 2011.",
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{
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"url": "https://svs.gsfc.nasa.gov/12104/",
"page_type": "Produced Video",
"title": "The Dynamic Solar Magnetic Field - Narrated",
"description": "Holly Gilbert, NASA GSFC solar scientist, explains a model of magnetic fields on the sun. || thumb.jpg (1280x720) [156.8 KB] || thumb_searchweb.png (320x180) [124.7 KB] || thumb_thm.png (80x40) [20.5 KB] || 12104_b-roll.mov (1280x720) [2.0 GB] || 12104_original.mov (1920x1080) [3.8 GB] || 12104_youtube_hq.mov (1920x1080) [1.7 GB] || 12104_appletv.m4v (1280x720) [63.5 MB] || 12104_b-roll.webm (1280x720) [24.5 MB] || 12104_lowres.mp4 (480x272) [19.2 MB] || ",
"release_date": "2016-01-29T10:00:00-05:00",
"update_date": "2023-05-03T13:48:56.942751-04:00",
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"media_type": "Image",
"alt_text": "Holly Gilbert, NASA GSFC solar scientist, explains a model of magnetic fields on the sun.",
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{
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"url": "https://svs.gsfc.nasa.gov/13716/",
"page_type": "Produced Video",
"title": "The Solar Cycle As Seen From Space",
"description": "VIDEO IN ENGLISH Watch this video on the NASA Goddard YouTube channel.The Sun is stirring from its latest slumber. As sunspots and flares, signs of a new solar cycle, bubble from the Sun’s surface, scientists are anticipating a flurry of solar activity over the next few years. Roughly every 11 years, at the height of this cycle, the Sun’s magnetic poles flip—on Earth, that’d be like the North and South Poles’ swapping places every decade—and the Sun transitions from sluggish to active and stormy. At its quietest, the Sun is at solar minimum; during solar maximum, the Sun blazes with bright flares and solar eruptions. In this video, view the Sun's disk from our space telescopes as it transitions from minimum to maximum in the solar cycle.Music credit: \"Observance\" by Andrew Michael Britton [PRS], David Stephen Goldsmith [PRS] from Universal Production Music || 13716_SolarCycleFromSpace_YouTube.01410_print.jpg (1024x576) [68.8 KB] || 13716_SolarCycleFromSpace_YouTube.01410_searchweb.png (320x180) [35.9 KB] || 13716_SolarCycleFromSpace_YouTube.01410_web.png (320x180) [35.9 KB] || 13716_SolarCycleFromSpace_YouTube.01410_thm.png (80x40) [3.8 KB] || 13716_SolarCycleFromSpace_Facebook.mp4 (1920x1080) [115.2 MB] || 13716_SolarCycleFromSpace_Prores.mov (1920x1080) [1.3 GB] || 13716_SolarCycleFromSpace_Twitter.mp4 (1920x1080) [21.2 MB] || 13716_SolarCycleFromSpace_YouTube.mp4 (1920x1080) [153.6 MB] || 13716_SolarCycleFromSpace_YouTube.webm (1920x1080) [11.0 MB] || SolarCycleAsSeenFromSpace.en_US.srt [630 bytes] || SolarCycleAsSeenFromSpace.en_US.vtt [641 bytes] || ",
"release_date": "2020-09-17T13:00:00-04:00",
"update_date": "2023-05-03T13:44:41.578700-04:00",
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"media_type": "Image",
"alt_text": "VIDEO IN ENGLISH Watch this video on the NASA Goddard YouTube channel.The Sun is stirring from its latest slumber. As sunspots and flares, signs of a new solar cycle, bubble from the Sun’s surface, scientists are anticipating a flurry of solar activity over the next few years. Roughly every 11 years, at the height of this cycle, the Sun’s magnetic poles flip—on Earth, that’d be like the North and South Poles’ swapping places every decade—and the Sun transitions from sluggish to active and stormy. At its quietest, the Sun is at solar minimum; during solar maximum, the Sun blazes with bright flares and solar eruptions. In this video, view the Sun's disk from our space telescopes as it transitions from minimum to maximum in the solar cycle.Music credit: \"Observance\" by Andrew Michael Britton [PRS], David Stephen Goldsmith [PRS] from Universal Production Music",
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}
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