Led by the Johns Hopkins Applied Physics Laboratory (APL), EZIE will use a trio of small satellites to characterize and record the electrojets’ structure over space and time. It will fill gaps in our understanding of this space weather phenomenon and provide findings that scientists can apply to other magnetized planets, both within and outside our solar system.
Learn more:https://science.nasa.gov/mission/ezie/",
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Developed and led for NASA by the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, EZIE is a mission to explore Earth’s electrojets — intense electric currents flowing high above Earth’s polar regions and the dayside equatorial region. EZIE will provide unprecedented measurements of these electrical currents to answer decades-old — and much debated — mysteries. Understanding these currents is key to scientists’ ability to develop capabilities for predicting hazardous space weather.
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EZIE is APL’s first mission to image the magnetic fingerprints of the Earth’s auroral electrojets, electrical currents that flow between Earth and space. The mission will star a trio of CubeSats, satellites roughly the size of a small suitcase, designed to move pole to pole and map the electrojets. Here’s what you should know about the mission.
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You may not realize it, but there is weather in space! It’s driven by immense energy from the Sun, and it can affect all of us – knocking out the electrical grid or disrupting GPS and cell phone service.
Learners can help scientists better predict these effects and protect our technological society by collecting science-quality data with our easy-to-use EZIE-Mag maker kit. Watch this video to find out more!
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An animation of the three EZIE satellites moving as pearls on a string in their pole-to-pole orbit. As each CubeSat approaches the night side of the auroral oval around the North Pole, it reorients itself to point four beams of light down toward the ground to collect magnetic data from the electrojets in the aurora. Once beyond the auroral oval, the spacecraft reorient again, turning off their instruments.
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An animation of the three EZIE satellites moving as pearls on a string in their pole-to-pole orbit. As each CubeSat approaches the night side of the auroral oval around the North Pole, it reorients itself to point four beams of light down toward the ground to collect magnetic data from the electrojets in the aurora. Once beyond the auroral oval, the spacecraft reorient again, turning off its instrument. An inset shows a close-up of one CubeSat as it orbits.
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By understanding this process, scientists will be able to better understand and prepare for impacts of solar activity on Earth, such as auroras and disruptions to telecommunications.Learn more about the mission: https://science.nasa.gov/mission/tracers/ || ", "release_date": "2025-03-24T12:00:00-04:00", "update_date": "2025-06-03T12:24:37-04:00", "main_image": { "id": 1154340, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014800/a014805/TRACERSbeauty_Iowa_4K_ProRes.00001_print.jpg", "filename": "TRACERSbeauty_Iowa_4K_ProRes.00001_print.jpg", "media_type": "Image", "alt_text": "Beauty Pass – 4KCredit: University of Iowa / Andy Kale", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 4934, "url": "https://svs.gsfc.nasa.gov/4934/", "page_type": "Infographic", "title": "Explore Auroras", "description": "One-page poster version. || Aurora_Infographic_print.jpg (1024x1592) [691.3 KB] || Aurora_Infographic.jpg (3859x6000) [4.7 MB] || Infographics and source components explaining auroras.PDF versions suitable for printing are linked below. || Long poster version. || Aurora_Infographic_Skinny.jpg (1185x9000) [2.1 MB] || Aurora_Infographic_Skinny_print.jpg (1024x7832) [2.0 MB] || ", "release_date": "2021-09-01T09:00:00-04:00", "update_date": "2024-08-01T10:14:36-04:00", "main_image": { "id": 402170, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004900/a004934/Aurora_Poster_Cover_StPat2015.jpg", "filename": "Aurora_Poster_Cover_StPat2015.jpg", "media_type": "Image", "alt_text": "Aurora image for this poster.Credit: Sebastian Saarloos", "width": 1367, "height": 2048, "pixels": 2799616 } }, { "id": 13687, "url": "https://svs.gsfc.nasa.gov/13687/", "page_type": "Produced Video", "title": "NASA Spacecraft Uncover Mystery Behind Auroral Beads", "description": "A special type of aurora, draped east-west across the night sky like a glowing pearl necklace, is helping scientists better understand the science of auroras and their powerful drivers out in space. Known as auroral beads, these lights often show up just before large auroral displays, which are caused by electrical storms in space called substorms. Until now, scientists weren’t sure if auroral beads are somehow connected to other auroral displays as a phenomenon in space that precedes substorms, or if they are caused by disturbances closer to Earth’s atmosphere.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. || ", "release_date": "2020-08-14T10:00:00-04:00", "update_date": "2020-08-14T09:18:15-04:00", "main_image": { "id": 383383, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013687/13687_AuroralBeads_YouTube.00320_print.jpg", "filename": "13687_AuroralBeads_YouTube.00320_print.jpg", "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": 1024, "height": 576, "pixels": 589824 } }, { "id": 13514, "url": "https://svs.gsfc.nasa.gov/13514/", "page_type": "Produced Video", "title": "The Cusp Aurora", "description": "A conceptual animation showing electrons traveling down Earth's magnetic field lines, colliding into oxygen atoms in Earth's atmosphere and causing oxygen molecules to escape and release red light causing the cusp aurora. || YOUTUBE_1080_13514_Cusp_Aurora_from_ground_youtube_1080.00888_print.jpg (1024x576) [70.9 KB] || YOUTUBE_1080_13514_Cusp_Aurora_from_ground_youtube_1080.00888_searchweb.png (320x180) [64.8 KB] || YOUTUBE_1080_13514_Cusp_Aurora_from_ground_youtube_1080.00888_web.png (320x180) [64.8 KB] || YOUTUBE_1080_13514_Cusp_Aurora_from_ground_youtube_1080.00888_thm.png (80x40) [4.4 KB] || FACEBOOK_720_13514_Cusp_Aurora_from_ground_facebook_720.mp4 (1280x720) [49.5 MB] || TWITTER_720_13514_Cusp_Aurora_from_ground_twitter_720.mp4 (1280x720) [8.0 MB] || YOUTUBE_1080_13514_Cusp_Aurora_from_ground_youtube_1080.webm (1920x1080) [4.9 MB] || YOUTUBE_1080_13514_Cusp_Aurora_from_ground_youtube_1080.mp4 (1920x1080) [64.2 MB] || PRORES_B-ROLL_13514_Cusp_Aurora_from_ground_prores_b-roll.mov (1280x720) [346.4 MB] || YOUTUBE_4K_13514_Cusp_Aurora_from_ground_youtube_4k.mp4 (3840x2160) [285.2 MB] || 13514_Cusp_Aurora_from_ground_Prores.mov (3840x2160) [3.9 GB] || ", "release_date": "2019-12-20T17:00:00-05:00", "update_date": "2019-12-20T17:14:33-05:00", "main_image": { "id": 388397, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013500/a013514/YOUTUBE_1080_13514_Cusp_Aurora_from_ground_youtube_1080.00888_print.jpg", "filename": "YOUTUBE_1080_13514_Cusp_Aurora_from_ground_youtube_1080.00888_print.jpg", "media_type": "Image", "alt_text": "A conceptual animation showing electrons traveling down Earth's magnetic field lines, colliding into oxygen atoms in Earth's atmosphere and causing oxygen molecules to escape and release red light causing the cusp aurora. ", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 13167, "url": "https://svs.gsfc.nasa.gov/13167/", "page_type": "Produced Video", "title": "VISIONS-2 Aurora Imagery", "description": "Aurora in Ny-Ålesund, Svalbard on December 6, 2018. A GIF optimized for Twitter. || Aurora.gif (1920x1080) [13.3 MB] || Aurora in Ny-Ålesund, Svalbard on December 6, 2018.Credit: NASA/Joy Ng || Dec6_Aurora_JoyNg_print.jpg (1024x682) [455.2 KB] || Dec6_Aurora_JoyNg.jpg (4104x2736) [4.6 MB] || Dec6_Aurora_JoyNg_searchweb.png (320x180) [67.8 KB] || Dec6_Aurora_JoyNg_web.png (320x213) [82.2 KB] || Dec6_Aurora_JoyNg_thm.png (80x40) [4.6 KB] || ", "release_date": "2019-05-07T15:00:00-04:00", "update_date": "2019-05-10T09:47:04-04:00", "main_image": { "id": 396547, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013100/a013167/Dec6_Aurora_JoyNg_print.jpg", "filename": "Dec6_Aurora_JoyNg_print.jpg", "media_type": "Image", "alt_text": "Aurora in Ny-Ålesund, Svalbard on December 6, 2018.Credit: NASA/Joy Ng", "width": 1024, "height": 682, "pixels": 698368 } }, { "id": 12865, "url": "https://svs.gsfc.nasa.gov/12865/", "page_type": "Produced Video", "title": "The Aurora Named STEVE", "description": "Music credit: Bright Patterns by Gregg Lehrman, John Christopher NyeComplete transcript available. || stevethumb2.jpg (1920x1080) [87.2 KB] || stevethumb2_searchweb.png (320x180) [92.9 KB] || stevethumb2_thm.png (80x40) [7.8 KB] || 12865_Aurora.Named.SteveV9.webm (960x540) [65.4 MB] || LARGE_MP4_12865_Aurora.Named.SteveV9_large.mp4 (1920x1080) [163.5 MB] || 12865_Aurora.Named.SteveV9_appletv.m4v (1280x720) [101.1 MB] || 12865_Aurora.Named.SteveV9_appletv_subtitles.m4v (1280x720) [101.1 MB] || YOUTUBE_1080_12865_Aurora.Named.SteveV9_youtube_1080.mp4 (1920x1080) [274.9 MB] || 12865_Aurora.en_US.srt [2.7 KB] || 12865_Aurora.en_US.vtt [2.7 KB] || 12865_Aurora.Named.SteveV9_lowres.mp4 (480x272) [22.1 MB] || 12865_Aurora.Named.SteveV9_youtube_hq.mov (1920x1080) [1.0 GB] || 12865_Aurora.Named.SteveV9.mov (1920x1080) [4.0 GB] || ", "release_date": "2018-03-14T14:00:00-04:00", "update_date": "2018-09-18T07:56:20-04:00", "main_image": { "id": 406472, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a012800/a012865/stevethumb2.jpg", "filename": "stevethumb2.jpg", "media_type": "Image", "alt_text": "Music credit: Bright Patterns by Gregg Lehrman, John Christopher NyeComplete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 } } ], "sources": [], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }