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\r
But powerful new computer models, combined with observations from NASA’s Time History of Events and Macroscale Interactions during Substorms – THEMIS – mission, have provided the first direct evidence of the events in space that lead to the appearance of these beads, and demonstrated the important role they play in our local space environment.", "items": [], "extra_data": {} }, { "id": 319279, "url": "https://svs.gsfc.nasa.gov/13687/#media_group_319279", "widget": "Video player", "title": "", "caption": "", "description": "

Complete transcript available.

Music credit: “Intrigues and Plots” and “Repetitive Motion” by Laurent Dury [SACEM] from Universal Production Music

Watch this video on the NASA Goddard YouTube channel.

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Laurent Dury [SACEM] from Universal Production Music Watch this video on the NASA Goddard YouTube channel.", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 226390, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 383385, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013687/13687_AuroralBeads_YouTube.00320_web.png", "filename": "13687_AuroralBeads_YouTube.00320_web.png", "media_type": "Image", "alt_text": "Complete transcript available.Music credit: “Intrigues and Plots” and “Repetitive Motion” by Laurent Dury [SACEM] from Universal Production Music Watch this video on the NASA Goddard YouTube channel.", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 226391, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 383386, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013687/13687_AuroralBeads_YouTube.00320_thm.png", "filename": "13687_AuroralBeads_YouTube.00320_thm.png", 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It was processed with PixInsight to remove streaks caused due to an accidentally nudged tripod during exposure while attempting to retain realistic star shapes and colors. The exposure time was 2.5 seconds.

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Credit: Deniz from Unsplashed \r

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Credit: Vincent Guth from Unsplashed \r

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External influence on geomagnetic field, shown in red (strengthened) – white (unaffected) – grey (weakened), in the equatorial plane of the magnetosphere. The formation of buoyant bubbles can be seen on the night side of Earth (left) shortly after the change in the orientation of the solar wind magnetic field at T=0.

Credit: Kareem Sorathia (JHUAPL/Center for Geospace Storms)

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Buoyancy measured in magnetospheric equator, blue to brown measuring “light” to “heavy”. Superimposed on the equator are grid lines of constant magnetic latitude and longitude.

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