(Note: These frame sets were converted to the sRGB color space on 6/16/2020)
This video is also available on our YouTube channel.
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"alt_text": "The current systems formed around Mars as a result of a solar wind driven convective electric field(Note: These frame sets were converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"label": "English",
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"alt_text": "The current systems formed around Mars as a result of a solar wind driven convective electric field(Note: These frame sets were converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"width": 1920,
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"media_type": "Movie",
"alt_text": "The current systems formed around Mars as a result of a solar wind driven convective electric field(Note: These frame sets were converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"width": 3840,
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"description": "Unlike the Earth, Mars lacks a global magnetic dipole. Because its upper atmosphere is ionized by solar X-rays and extreme ultraviolet (EUV) radiations, the ionosphere of Mars presents a highly conductive obstacle to the flow of the magnetized solar wind plasma. The resulting interaction induces electric currents in the ionosphere which, in turn, create sufficient magnetic pressure to slow and deflect the solar wind around the bulk of the ionosphere, forming an induced magnetosphere.
NASA scientists used magnetic field measurements from the Mars Atmosphere and Volatiles EvolutioN (MAVEN) orbiter to make the first quantitative global map of the induced currents that shape the Martian induced magnetosphere. In doing so they found strong asymmetries between the north-south electric-polar hemispheres, particularly in the concentration of sunward currents, an electric connection between the planet's ionosphere and its bow shock, as well as a twist in the global near-Mars current system. Mapping the currents reveals how the solar wind's energy transfers into the induced magnetosphere where it powers escape of the Martian atmosphere.
Here we show visualizations of the actual and the idealized current systems that are formed as a result of a solar wind driven convective electric field. In addition, a sequence of calculated magnetic fields measured by MAVEN shown here illustrates that magnetic fields are forced to wrap around the planet by currents induced in Mars’ ionosphere.",
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"description": "An average magnetic field around Mars has been calculated from MAVEN measurements. The sequence of these magnetic fields shown here illustrates that magnetic fields are forced to wrap around the plant by currents induced in Mars’ ionosphere. The calculated MAVEN magnetic field is not time-varying, but this sequence illustrates how solar wind magnetic fields are changed as they move past Mars. The direction of the solar wind emanating from the sun is represented by a yellow arrow.
(Note: This frame set was converted to the sRGB color space on 6/16/2020)
This video is also available on our YouTube channel.
",
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{
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"alt_text": "An average magnetic field around Mars has been calculated from MAVEN measurements. The sequence of these magnetic fields shown here illustrates that magnetic fields are forced to wrap around the plant by currents induced in Mars’ ionosphere. The calculated MAVEN magnetic field is not time-varying, but this sequence illustrates how solar wind magnetic fields are changed as they move past Mars. The direction of the solar wind emanating from the sun is represented by a yellow arrow.(Note: This frame set was converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"width": 1024,
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"media_type": "Movie",
"alt_text": "An average magnetic field around Mars has been calculated from MAVEN measurements. The sequence of these magnetic fields shown here illustrates that magnetic fields are forced to wrap around the plant by currents induced in Mars’ ionosphere. The calculated MAVEN magnetic field is not time-varying, but this sequence illustrates how solar wind magnetic fields are changed as they move past Mars. The direction of the solar wind emanating from the sun is represented by a yellow arrow.(Note: This frame set was converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"width": 1920,
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}
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"url": "https://svs.gsfc.nasa.gov/vis/a000000/a004700/a004730/frames/1920x1080_16x9_30p/mag_field_lines/",
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"alt_text": "An average magnetic field around Mars has been calculated from MAVEN measurements. The sequence of these magnetic fields shown here illustrates that magnetic fields are forced to wrap around the plant by currents induced in Mars’ ionosphere. The calculated MAVEN magnetic field is not time-varying, but this sequence illustrates how solar wind magnetic fields are changed as they move past Mars. The direction of the solar wind emanating from the sun is represented by a yellow arrow.(Note: This frame set was converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
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}
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"alt_text": "An average magnetic field around Mars has been calculated from MAVEN measurements. The sequence of these magnetic fields shown here illustrates that magnetic fields are forced to wrap around the plant by currents induced in Mars’ ionosphere. The calculated MAVEN magnetic field is not time-varying, but this sequence illustrates how solar wind magnetic fields are changed as they move past Mars. The direction of the solar wind emanating from the sun is represented by a yellow arrow.(Note: This frame set was converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"width": 1920,
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"pixels": 2073600
}
},
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"alt_text": "An average magnetic field around Mars has been calculated from MAVEN measurements. The sequence of these magnetic fields shown here illustrates that magnetic fields are forced to wrap around the plant by currents induced in Mars’ ionosphere. The calculated MAVEN magnetic field is not time-varying, but this sequence illustrates how solar wind magnetic fields are changed as they move past Mars. The direction of the solar wind emanating from the sun is represented by a yellow arrow.(Note: This frame set was converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"label": "English",
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}
},
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"alt_text": "An average magnetic field around Mars has been calculated from MAVEN measurements. The sequence of these magnetic fields shown here illustrates that magnetic fields are forced to wrap around the plant by currents induced in Mars’ ionosphere. The calculated MAVEN magnetic field is not time-varying, but this sequence illustrates how solar wind magnetic fields are changed as they move past Mars. The direction of the solar wind emanating from the sun is represented by a yellow arrow.(Note: This frame set was converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"width": 1920,
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"pixels": 2073600
}
},
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"caption": "",
"description": "This animation shows the same sequence of magnetic fields as the previous animation, but all the fields (except one) are shown as semi-transparent to emphasize the fact that they all represent a single magnetic field configuration.
(Note: This frame set was converted to the sRGB color space on 6/16/2020)
This video is also available on our YouTube channel.
",
"items": [
{
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"filename": "mag_field_hilight_1080.01600_print.jpg",
"media_type": "Image",
"alt_text": "This animation shows the same sequence of magnetic fields as the previous animation, but all the fields (except one) are shown as semi-transparent to emphasize the fact that they all represent a single magnetic field configuration.(Note: This frame set was converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"width": 1024,
"height": 576,
"pixels": 589824
}
},
{
"id": 227873,
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"instance": {
"id": 384932,
"url": "https://svs.gsfc.nasa.gov/vis/a000000/a004700/a004730/mag_field_hilight_1080.webm",
"filename": "mag_field_hilight_1080.webm",
"media_type": "Movie",
"alt_text": "This animation shows the same sequence of magnetic fields as the previous animation, but all the fields (except one) are shown as semi-transparent to emphasize the fact that they all represent a single magnetic field configuration.(Note: This frame set was converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"width": 1920,
"height": 1080,
"pixels": 2073600
}
},
{
"id": 227874,
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"instance": {
"id": 384934,
"url": "https://svs.gsfc.nasa.gov/vis/a000000/a004700/a004730/frames/1920x1080_16x9_30p/mag_field_hilight/",
"filename": "mag_field_hilight",
"media_type": "Frames",
"alt_text": "This animation shows the same sequence of magnetic fields as the previous animation, but all the fields (except one) are shown as semi-transparent to emphasize the fact that they all represent a single magnetic field configuration.(Note: This frame set was converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"width": 1920,
"height": 1080,
"pixels": 2073600
}
},
{
"id": 227871,
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"id": 384936,
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"filename": "currents_037_magField_020_1080p30.mp4",
"media_type": "Movie",
"alt_text": "This animation shows the same sequence of magnetic fields as the previous animation, but all the fields (except one) are shown as semi-transparent to emphasize the fact that they all represent a single magnetic field configuration.(Note: This frame set was converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"width": 1920,
"height": 1080,
"pixels": 2073600
}
},
{
"id": 227876,
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"filename": "captions_silent.26017.en_US.srt",
"media_type": "Captions",
"alt_text": "This animation shows the same sequence of magnetic fields as the previous animation, but all the fields (except one) are shown as semi-transparent to emphasize the fact that they all represent a single magnetic field configuration.(Note: This frame set was converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"label": "English",
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}
},
{
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"filename": "magnetic_field_hilight_prores.mov",
"media_type": "Movie",
"alt_text": "This animation shows the same sequence of magnetic fields as the previous animation, but all the fields (except one) are shown as semi-transparent to emphasize the fact that they all represent a single magnetic field configuration.(Note: This frame set was converted to the sRGB color space on 6/16/2020)This video is also available on our YouTube channel.",
"width": 1920,
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"pixels": 2073600
}
},
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"width": 0,
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}
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"widget": "Single image",
"title": "",
"caption": "",
"description": "An image of the sun-facing view of the Mars current system with transparency",
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{
"id": 227877,
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"instance": {
"id": 384937,
"url": "https://svs.gsfc.nasa.gov/vis/a000000/a004700/a004730/currents_31_wArrows_NS_BS_004_4k.0600.jpg",
"filename": "currents_31_wArrows_NS_BS_004_4k.0600.jpg",
"media_type": "Image",
"alt_text": "An image of the sun-facing view of the Mars current system with transparency",
"width": 3840,
"height": 2160,
"pixels": 8294400
}
},
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"id": 384938,
"url": "https://svs.gsfc.nasa.gov/vis/a000000/a004700/a004730/currents_31_wArrows_NS_BS_004_4k.0600.tif",
"filename": "currents_31_wArrows_NS_BS_004_4k.0600.tif",
"media_type": "Image",
"alt_text": "An image of the sun-facing view of the Mars current system with transparency",
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}
],
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"description": "An image of a side-facing view of the Mars current system with transparency",
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"filename": "currents_31_wArrows_NS_BS_004_4k.0775.jpg",
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},
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"alt_text": "An image of a side-facing view of the Mars current system with transparency",
"width": 3840,
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}
],
"extra_data": {}
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"widget": "Single image",
"title": "",
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"release_date": "2021-02-08T06:00:00-05:00",
"update_date": "2023-05-03T13:44:22.000526-04:00",
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"alt_text": "Click here for Mars 2020 Perseverance Rover press kit.Quick link to cut B-ROLL for the LIVE SHOTSQuick link to canned interview with KEITH COMEAUXQuick link to PROMO for Spanish language show",
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{
"id": 4824,
"url": "https://svs.gsfc.nasa.gov/4824/",
"page_type": "Visualization",
"title": "MAVEN Observes Solar Particle Velocities and the Induced Magnetic Field",
"description": "MAVEN orbits Mars and measures solar particle velocities and variations in the solar wind’s magnetic field. || maven_vels_magField.03000_print.jpg (1024x576) [92.5 KB] || maven_vels_magField.03000_searchweb.png (320x180) [63.5 KB] || maven_vels_magField.03000_thm.png (80x40) [4.2 KB] || maven_vels_magField_1080p30.mp4 (1920x1080) [83.1 MB] || 1920x1080_16x9_30p (1920x1080) [0 Item(s)] || maven_vels_magField_1080p30.webm (1920x1080) [19.0 MB] || 4824_MAVEN_Solar_Wind_Data_1080_30p.mov (1920x1080) [2.6 GB] || maven_vels_magField_1080p30.mp4.hwshow [193 bytes] || ",
"release_date": "2020-05-25T00:00:00-04:00",
"update_date": "2025-01-06T00:18:08.836123-05:00",
"main_image": {
"id": 384908,
"url": "https://svs.gsfc.nasa.gov/vis/a000000/a004800/a004824/maven_vels_magField.03000_print.jpg",
"filename": "maven_vels_magField.03000_print.jpg",
"media_type": "Image",
"alt_text": "MAVEN orbits Mars and measures solar particle velocities and variations in the solar wind’s magnetic field.",
"width": 1024,
"height": 576,
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}
},
{
"id": 4825,
"url": "https://svs.gsfc.nasa.gov/4825/",
"page_type": "Visualization",
"title": "MAVEN – Mars and Solar Wind Simulation",
"description": "This simulation depicts the solar wind interacting with the Mars upper atmosphere, with MAVEN's orbit embedded. || maven_cme44.03600_print.jpg (1024x512) [253.9 KB] || maven_cme44.03600_searchweb.png (320x180) [92.7 KB] || maven_cme44.03600_thm.png (80x40) [5.2 KB] || 1920x1080_16x9_30p (2048x1024) [0 Item(s)] || maven_cme44_1024p30.webm (2048x1024) [5.9 MB] || maven_cme44_1024p30.mp4 (2048x1024) [195.1 MB] || maven_cme44_1024p30.mp4.hwshow [58 bytes] || ",
"release_date": "2020-05-25T00:00:00-04:00",
"update_date": "2025-03-16T22:46:51.857817-04:00",
"main_image": {
"id": 384913,
"url": "https://svs.gsfc.nasa.gov/vis/a000000/a004800/a004825/maven_cme44.03600_print.jpg",
"filename": "maven_cme44.03600_print.jpg",
"media_type": "Image",
"alt_text": "This simulation depicts the solar wind interacting with the Mars upper atmosphere, with MAVEN's orbit embedded.",
"width": 1024,
"height": 512,
"pixels": 524288
}
}
],
"sources": [],
"products": [
{
"id": 13814,
"url": "https://svs.gsfc.nasa.gov/13814/",
"page_type": "Produced Video",
"title": "SVS Demo Reel 2020",
"description": "This is the SVS Demo Reel submitted to SIGGRAPH 2021.Coming soon to our YouTube channel. || SVS_2020.File.1080p.00250_print.jpg (1024x576) [129.8 KB] || SVS_2020.File.1080p.00250_thm.png (80x40) [3.1 KB] || SVS_2020.File.1080p.00250_searchweb.png (320x180) [60.0 KB] || SVS_2020.File.1080p.mp4 (1920x1080) [367.7 MB] || captions_silent.30842.en_US.srt [42 bytes] || SVS_2020.File.720p.mp4 (720x404) [62.6 MB] || SVS_2020.file.2160pp.mp4 (3840x2160) [1.4 GB] || SVS_2020.file.2160pp.webm (3840x2160) [78.3 MB] || ",
"release_date": "2021-02-18T00:00:00-05:00",
"update_date": "2023-05-03T13:44:20.561761-04:00",
"main_image": {
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"url": "https://svs.gsfc.nasa.gov/vis/a010000/a013800/a013814/SVS_2020.File.1080p.00250_print.jpg",
"filename": "SVS_2020.File.1080p.00250_print.jpg",
"media_type": "Image",
"alt_text": "This is the SVS Demo Reel submitted to SIGGRAPH 2021.Coming soon to our YouTube channel.",
"width": 1024,
"height": 576,
"pixels": 589824
}
},
{
"id": 13625,
"url": "https://svs.gsfc.nasa.gov/13625/",
"page_type": "Produced Video",
"title": "First Map of Mars Electric Currents",
"description": "MAVEN data have enabled the first map of the electric current systems (blue and red arrows) that shape the induced magnetic field surrounding Mars.Credit: NASA/Goddard/MAVEN/CU Boulder/SVSUniversal Production Music: “A Lucid Dream” and “Shimmer Oscillations” by James Joshua OttoWatch this video on the NASA Goddard YouTube channel.Complete transcript available. || MarsElectricCurrentsPreview6_print.jpg (1024x576) [305.8 KB] || MarsElectricCurrentsPreview6.jpg (1920x1080) [853.6 KB] || MarsElectricCurrentsPreview6_searchweb.png (320x180) [50.6 KB] || MarsElectricCurrentsPreview6_thm.png (80x40) [5.3 KB] || 13625_Mars_Electric_Currents_Twitter.mp4 (1280x720) [63.8 MB] || 13625_Mars_Electric_Currents_Facebook.mp4 (1920x1080) [359.1 MB] || 13625_Mars_Electric_Currents_YouTube.webm (3840x2160) [91.7 MB] || 13625_Mars_Electric_Currents_Captions.en_US.srt [7.2 KB] || 13625_Mars_Electric_Currents_Captions.en_US.vtt [6.8 KB] || 13625_Mars_Electric_Currents_YouTube.mp4 (3840x2160) [2.8 GB] || 13625_Mars_Electric_Currents_MASTER.mov (3840x2160) [14.2 GB] || 13625_Mars_Electric_Currents_Facebook.mp4.hwshow [134 bytes] || ",
"release_date": "2020-05-25T11:00:00-04:00",
"update_date": "2025-03-16T23:22:36.981129-04:00",
"main_image": {
"id": 384966,
"url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013625/MarsElectricCurrentsPreview6.jpg",
"filename": "MarsElectricCurrentsPreview6.jpg",
"media_type": "Image",
"alt_text": "MAVEN data have enabled the first map of the electric current systems (blue and red arrows) that shape the induced magnetic field surrounding Mars.\r\rCredit: NASA/Goddard/MAVEN/CU Boulder/SVSUniversal Production Music: “A Lucid Dream” and “Shimmer Oscillations” by James Joshua OttoWatch this video on the NASA Goddard YouTube channel.Complete transcript available.",
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