Complete transcript available.
Universal Production Music: “Executive Deceit” by Samuel Karl Bohn [PRS], Chalk Music [PRS]; “Quasar” by Ross Stephen Gilmartin [PRS], Chappell Recorded Music Library Ltd [PRS]; “Modular Odyssey” and “Synthology” by Laetitia Frenod [SACEM], Koka Media [SACEM]
Watch this video on the NASA Goddard YouTube channel.
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Complete transcript available.Universal Production Music: “Executive Deceit” by Samuel Karl Bohn [PRS], Chalk Music [PRS]; “Quasar” by Ross Stephen Gilmartin [PRS], Chappell Recorded Music Library Ltd [PRS]; “Modular Odyssey” and “Synthology” by Laetitia Frenod [SACEM], Koka Media [SACEM]Watch this video on the NASA Goddard YouTube channel.", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 436639, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1098737, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014600/a014690/MAVEN-10th-Anniversary-Preview_thm.png", "filename": "MAVEN-10th-Anniversary-Preview_thm.png", "media_type": "Image", "alt_text": "During its first decade at Mars, MAVEN has helped to explain how the Red Planet evolved from warm and wet into the cold, dry world we see today. Complete transcript available.Universal Production Music: “Executive Deceit” by Samuel Karl Bohn [PRS], Chalk Music [PRS]; “Quasar” by Ross Stephen Gilmartin [PRS], Chappell Recorded Music Library Ltd [PRS]; “Modular Odyssey” and “Synthology” by Laetitia Frenod [SACEM], Koka Media [SACEM]Watch this video on the NASA Goddard YouTube channel.", "width": 80, "height": 40, "pixels": 3200 } }, { "id": 436632, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1098729, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014600/a014690/14690_MAVEN_10th_Anniversary_720.mp4", "filename": "14690_MAVEN_10th_Anniversary_720.mp4", "media_type": "Movie", "alt_text": "During its first decade at Mars, MAVEN has helped to explain how the Red Planet evolved from warm and wet into the cold, dry world we see today. Complete transcript available.Universal Production Music: “Executive Deceit” by Samuel Karl Bohn [PRS], Chalk Music [PRS]; “Quasar” by Ross Stephen Gilmartin [PRS], Chappell Recorded Music Library Ltd [PRS]; “Modular Odyssey” and “Synthology” by Laetitia Frenod [SACEM], Koka Media [SACEM]Watch this video on the NASA Goddard YouTube channel.", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 436673, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1098767, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014600/a014690/Maven10thAnniversaryCaptionsV3.en_US.srt", "filename": "Maven10thAnniversaryCaptionsV3.en_US.srt", "media_type": "Captions", "alt_text": "During its first decade at Mars, MAVEN has helped to explain how the Red Planet evolved from warm and wet into the cold, dry world we see today. Complete transcript available.Universal Production Music: “Executive Deceit” by Samuel Karl Bohn [PRS], Chalk Music [PRS]; “Quasar” by Ross Stephen Gilmartin [PRS], Chappell Recorded Music Library Ltd [PRS]; “Modular Odyssey” and “Synthology” by Laetitia Frenod [SACEM], Koka Media [SACEM]Watch this video on the NASA Goddard YouTube channel.", "label": "English", "language_code": "en-US" } }, { "id": 436674, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1098768, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014600/a014690/Maven10thAnniversaryCaptionsV3.en_US.vtt", "filename": "Maven10thAnniversaryCaptionsV3.en_US.vtt", "media_type": "Captions", "alt_text": "During its first decade at Mars, MAVEN has helped to explain how the Red Planet evolved from warm and wet into the cold, dry world we see today. Complete transcript available.Universal Production Music: “Executive Deceit” by Samuel Karl Bohn [PRS], Chalk Music [PRS]; “Quasar” by Ross Stephen Gilmartin [PRS], Chappell Recorded Music Library Ltd [PRS]; “Modular Odyssey” and “Synthology” by Laetitia Frenod [SACEM], Koka Media [SACEM]Watch this video on the NASA Goddard YouTube channel.", "label": "English", "language_code": "en-US" } }, { "id": 436634, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1098731, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014600/a014690/14690_MAVEN_10th_Anniversary_1080.mp4", "filename": "14690_MAVEN_10th_Anniversary_1080.mp4", "media_type": "Movie", "alt_text": "During its first decade at Mars, MAVEN has helped to explain how the Red Planet evolved from warm and wet into the cold, dry world we see today. Complete transcript available.Universal Production Music: “Executive Deceit” by Samuel Karl Bohn [PRS], Chalk Music [PRS]; “Quasar” by Ross Stephen Gilmartin [PRS], Chappell Recorded Music Library Ltd [PRS]; “Modular Odyssey” and “Synthology” by Laetitia Frenod [SACEM], Koka Media [SACEM]Watch this video on the NASA Goddard YouTube channel.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 436633, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1098730, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014600/a014690/14690_MAVEN_10th_Anniversary_4K.mp4", "filename": "14690_MAVEN_10th_Anniversary_4K.mp4", "media_type": "Movie", "alt_text": "During its first decade at Mars, MAVEN has helped to explain how the Red Planet evolved from warm and wet into the cold, dry world we see today. Complete transcript available.Universal Production Music: “Executive Deceit” by Samuel Karl Bohn [PRS], Chalk Music [PRS]; “Quasar” by Ross Stephen Gilmartin [PRS], Chappell Recorded Music Library Ltd [PRS]; “Modular Odyssey” and “Synthology” by Laetitia Frenod [SACEM], Koka Media [SACEM]Watch this video on the NASA Goddard YouTube channel.", "width": 3840, "height": 2160, "pixels": 8294400 } }, { "id": 441911, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1102969, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014600/a014690/14690_MAVEN_10th_Anniversary_ProRes.mov", "filename": "14690_MAVEN_10th_Anniversary_ProRes.mov", "media_type": "Movie", "alt_text": "During its first decade at Mars, MAVEN has helped to explain how the Red Planet evolved from warm and wet into the cold, dry world we see today. Complete transcript available.Universal Production Music: “Executive Deceit” by Samuel Karl Bohn [PRS], Chalk Music [PRS]; “Quasar” by Ross Stephen Gilmartin [PRS], Chappell Recorded Music Library Ltd [PRS]; “Modular Odyssey” and “Synthology” by Laetitia Frenod [SACEM], Koka Media [SACEM]Watch this video on the NASA Goddard YouTube channel.", "width": 3840, "height": 2160, "pixels": 8294400 } } ], "extra_data": {} }, { "id": 375816, "url": "https://svs.gsfc.nasa.gov/14690/#media_group_375816", "widget": "Basic text with HTML", "title": "", "caption": "", "description": "On September 21, 2014, NASA’s MAVEN (Mars Atmosphere and Volatile Evolution) spacecraft entered orbit around Mars, beginning its ongoing exploration of the Red Planet’s upper atmosphere. The mission has produced a wealth of data about how Mars’s atmosphere responds to the Sun and solar wind, and how these interactions can explain the loss of the Martian atmosphere to space. Now, as MAVEN continues its mission, we can look back on the remarkable discoveries of its first decade at Mars.", "items": [], "extra_data": {} }, { "id": 375879, "url": "https://svs.gsfc.nasa.gov/14690/#media_group_375879", "widget": "Single image", "title": "", "caption": "", "description": "In 2017, MAVEN revealed a twist in Mars’ invisible magnetic tail – due to the interaction of the Sun’s magnetic field with remnants of the early Martian magnetic field. Scientists had predicted that the two fields would interact through a process called magnetic reconnection, causing the direction of the Martian magnetotail to twist by 45 degrees as a result. Data from MAVEN’s magnetometer instrument confirmed these model predictions.", "items": [ { "id": 437170, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1098972, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014600/a014690/Mars-Twisted-Magnetotail-Diagram_print.jpg", "filename": "Mars-Twisted-Magnetotail-Diagram_print.jpg", "media_type": "Image", "alt_text": "In 2017, MAVEN revealed a twist in Mars’ invisible magnetic tail – due to the interaction of the Sun’s magnetic field with remnants of the early Martian magnetic field. Scientists had predicted that the two fields would interact through a process called magnetic reconnection, causing the direction of the Martian magnetotail to twist by 45 degrees as a result. Data from MAVEN’s magnetometer instrument confirmed these model predictions.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 437168, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1098970, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014600/a014690/Mars-Twisted-Magnetotail-Diagram.jpg", "filename": "Mars-Twisted-Magnetotail-Diagram.jpg", "media_type": "Image", "alt_text": "In 2017, MAVEN revealed a twist in Mars’ invisible magnetic tail – due to the interaction of the Sun’s magnetic field with remnants of the early Martian magnetic field. Scientists had predicted that the two fields would interact through a process called magnetic reconnection, causing the direction of the Martian magnetotail to twist by 45 degrees as a result. Data from MAVEN’s magnetometer instrument confirmed these model predictions.", "width": 3840, "height": 2160, "pixels": 8294400 } }, { "id": 437169, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1098971, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014600/a014690/Mars-Twisted-Magnetotail-Diagram.png", "filename": "Mars-Twisted-Magnetotail-Diagram.png", "media_type": "Image", "alt_text": "In 2017, MAVEN revealed a twist in Mars’ invisible magnetic tail – due to the interaction of the Sun’s magnetic field with remnants of the early Martian magnetic field. Scientists had predicted that the two fields would interact through a process called magnetic reconnection, causing the direction of the Martian magnetotail to twist by 45 degrees as a result. 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Lepsch", "employer": "ADNET Systems, Inc." } ] } ], "missions": [ "MAVEN: Mars Atmosphere and Volatile EvolutioN" ], "series": [ "Narrated Movies" ], "tapes": [], "papers": [], "datasets": [], "nasa_science_categories": [ "Planets & Moons" ], "keywords": [ "Anniversary", "Argon", "Atmosphere", "aurora", "Evolution", "HDTV", "Magnetosphere", "Mars", "MAVEN", "Planets", "Science", "Solar Storm", "Solar System", "Solar Wind", "Sputtering" ], "recommended_pages": [], "related": [ { "id": 14846, "url": "https://svs.gsfc.nasa.gov/14846/", "page_type": "Produced Video", "title": "Is This How Mars Lost Its Atmosphere?", "description": "Mars is losing its atmosphere. Over billions of years, the Red Planet has transformed from a potentially habitable world with lakes, rivers, and a thicker atmosphere into the cold, dry desert we see today. NASA’s MAVEN mission has been tracking this process in real time, catching Mars in the act of slowly sputtering its atmosphere into space.This phenomenon—called “atmospheric sputtering”—happens when high-energy particles from the Sun slam into Mars’s upper atmosphere, knocking atoms and molecules loose. Without a global magnetic field to protect it, Mars is especially vulnerable. MAVEN has shown that this atmospheric escape accelerates during solar storms, offering a powerful view of how the Sun shapes the evolution of planetary atmospheres.The data from MAVEN doesn’t just tell us about Mars—it helps us understand how atmospheres behave across the solar system and beyond. It’s a glimpse into what makes a planet stay habitable—or lose that potential entirely.For more information, visit https://science.nasa.gov/mission/maven/Credit: NASA's Goddard Space Flight Center Dan Gallagher: Lead ProducerPaul Morris: Producer / EditorDr. Shannon Curry: Scientist / IntervieweeWillow Reed: Public AffairsNancy Jones: Public AffairsGreg Shirah: Data VisualizerCindy Starr: Data VisualizerKel Elkins: Data VisualizerWalt Feimer: AnimatorMichael Lentz: AnimatorChris Smith: AnimatorJonathan North: AnimatorBrian Monroe: AnimatorLisa Poje: Graphic DesignerAdriana Manrique Gutierrez: Graphic DesignerKim Dongjae: Graphic DesignerErnie Wright: SupportAaron E. Lepsch: Technical SupportMusic Credit:\"The Greatest Unknown\" by Samuel Sim [PRS] via Abbey Road Masters [PRS] and Universal Production MusicVideo Credits:Periodic Table Focusing On Argon With Properties by S_D_Brath via Pond5Ashes Of A Camp Fire Next To Chair by BlackBoxGuild via Pond5Wood Burning In A Camp Fire by Edb3_16 via Pond5 || ", "release_date": "2025-05-29T11:00:00-04:00", "update_date": "2025-05-28T13:11:53.174957-04:00", "main_image": { "id": 1155503, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014800/a014846/14846_SPUTTER_WIDE_PRINT.jpg", "filename": "14846_SPUTTER_WIDE_PRINT.jpg", "media_type": "Image", "alt_text": "Master VersionHorizontal version. This is for use on any YouTube or non-YouTube platform where you want to display the video horizontally.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 14477, "url": "https://svs.gsfc.nasa.gov/14477/", "page_type": "Produced Video", "title": "The Day the Solar Wind Disappeared from Mars", "description": "Learn about the “disappearance” of the solar wind at Mars that was witnessed by MAVEN – an event last seen nearly a quarter-century ago at Earth.Complete transcript available.Universal Production Music: “Space Museum” by Harry Gregson Williams [BMI], Atmosphere Music Ltd. [PRS]; “Currents and Crime Scenes” by Dylan Matthew Love and Harry Gregson Williams [BMI], Atmosphere Music Ltd. 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[PRS]; “Currents and Crime Scenes” by Dylan Matthew Love and Harry Gregson Williams [BMI], Atmosphere Music Ltd. [PRS]Watch this video on the NASA Goddard YouTube channel.", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 13771, "url": "https://svs.gsfc.nasa.gov/13771/", "page_type": "Infographic", "title": "MAVEN Infographic: Martian Dust Storms Accelerate Water Loss", "description": "This illustration shows how water is lost on Mars normally vs. during regional or global dust storms. Text-readable PDF version.Credits: NASA/Goddard/CI Lab/Adriana Manrique Gutierrez/Krystofer Kim || MAVEN_ILLO_v7_print.jpg (1024x575) [117.4 KB] || MAVEN_ILLO_v7.png (6667x3750) [1.5 MB] || MAVEN_ILLO_v7.jpg (6667x3750) [1.4 MB] || MAVEN_ILLO_v7_searchweb.png (320x180) [53.3 KB] || MAVEN_ILLO_v7_thm.png (80x40) [5.9 KB] || ", "release_date": "2020-11-13T12:00:00-05:00", "update_date": "2024-10-15T14:52:53.320638-04:00", "main_image": { "id": 381390, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013700/a013771/MAVEN_ILLO_v7_print.jpg", "filename": "MAVEN_ILLO_v7_print.jpg", "media_type": "Image", "alt_text": "This illustration shows how water is lost on Mars normally vs. during regional or global dust storms. Text-readable PDF version.Credits: NASA/Goddard/CI Lab/Adriana Manrique Gutierrez/Krystofer Kim", "width": 1024, "height": 575, "pixels": 588800 } }, { "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.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 13485, "url": "https://svs.gsfc.nasa.gov/13485/", "page_type": "Produced Video", "title": "Mars Wind Currents Reveal a Surprising Feature", "description": "By measuring windspeed and direction in the Mars upper atmosphere, MAVEN has discovered that high-altitude wind currents are being disturbed by terrain features far below.Credit: NASA/Goddard/MAVEN/CU Boulder/University of MichiganUniversal Production Music: “Glacial Shifts” by James Joshua OttoWatch this video on the NASA Goddard YouTube channel.Complete transcript available. || FACEBOOK_720_13485_Mars_Upper_Winds_MASTER_facebook_720.mp4 (1280x720) [216.5 MB] || 13485_MarsUpperWinds_Preview_print.jpg (1024x576) [77.9 KB] || 13485_MarsUpperWinds_Preview.jpg (3840x2160) [399.6 KB] || 13485_MarsUpperWinds_Preview_searchweb.png (320x180) [57.6 KB] || 13485_MarsUpperWinds_Preview_thm.png (80x40) [4.8 KB] || TWITTER_720_13485_Mars_Upper_Winds_MASTER_twitter_720.mp4 (1280x720) [37.3 MB] || 13485_Mars_Upper_Winds_MASTER.webm (960x540) [78.1 MB] || 13485_Mars_Upper_Winds_Captions.en_US.srt [4.2 KB] || 13485_Mars_Upper_Winds_Captions.en_US.vtt [4.2 KB] || CH28_13485_Mars_Upper_Winds_MASTER_ch28.mov (1280x720) [1.8 GB] || 13485_Mars_Upper_Winds_YouTube.mp4 (3840x2160) [2.0 GB] || 13485_Mars_Upper_Winds_MASTER.mov (3840x2160) [19.2 GB] || ", "release_date": "2019-12-12T14:00:00-05:00", "update_date": "2023-11-09T12:29:03.541506-05:00", "main_image": { "id": 388585, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013400/a013485/13485_MarsUpperWinds_Preview_print.jpg", "filename": "13485_MarsUpperWinds_Preview_print.jpg", "media_type": "Image", "alt_text": "By measuring windspeed and direction in the Mars upper atmosphere, MAVEN has discovered that high-altitude wind currents are being disturbed by terrain features far below.\r\rCredit: NASA/Goddard/MAVEN/CU Boulder/University of Michigan\rUniversal Production Music: “Glacial Shifts” by James Joshua Otto\rWatch this video on the NASA Goddard YouTube channel.Complete transcript available.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 12557, "url": "https://svs.gsfc.nasa.gov/12557/", "page_type": "Produced Video", "title": "MAVEN Reveals Mars Argon Loss to Space", "description": "Infographic explaining the MAVEN argon results. Enlarge or click \"download\" for print-resolution versions. Also available in text-readable PDF for the visually impaired. || MAVEN_Argon_Infographic_print.jpg (1024x450) [159.1 KB] || MAVEN_Argon_Infographic.jpg (7500x3300) [4.1 MB] || MAVEN_Argon_Infographic.png (7500x3300) [27.0 MB] || MAVEN_Argon_Infographic_searchweb.png (320x180) [72.3 KB] || MAVEN_Argon_Infographic_thm.png (80x40) [5.0 KB] || MAVEN_Argon_Infographic.tif (7500x3300) [27.2 MB] || maven-reveals-mars-argon-loss-to-space.hwshow || ", "release_date": "2017-03-30T14:00:00-04:00", "update_date": "2025-05-28T00:17:46.989111-04:00", "main_image": { "id": 415275, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a012500/a012557/MAVEN_Argon_Infographic_print.jpg", "filename": "MAVEN_Argon_Infographic_print.jpg", "media_type": "Image", "alt_text": "Infographic explaining the MAVEN argon results. Enlarge or click \"download\" for print-resolution versions. Also available in text-readable PDF for the visually impaired.", "width": 1024, "height": 450, "pixels": 460800 } }, { "id": 4370, "url": "https://svs.gsfc.nasa.gov/4370/", "page_type": "Visualization", "title": "Solar Wind Strips the Martian Atmosphere", "description": "Scientists have long suspected the solar wind of stripping the Martian upper atmosphere into space, turning Mars from a blue world to a red one. Now, NASA's MAVEN orbiter is observing this process in action, providing significant data on solar wind erosion at Mars.Watch this video on the NASA Goddard YouTube channel.Complete transcript available.This video is also available on our YouTube channel. || MarsAtmoLossExplainPreview.jpg (1920x1080) [993.6 KB] || APPLE_TV_4370_MAVEN_Mars_Atmo_Loss_appletv_subtitles.m4v (1280x720) [53.7 MB] || WEBM_4370_MAVEN_Mars_Atmo_Loss_APR.webm (960x540) [44.7 MB] || 4370_MAVEN_Mars_Atmo_Loss_appletv.m4v (1280x720) [53.7 MB] || NASA_TV_4370_MAVEN_Mars_Atmo_Loss.mpeg (1280x720) [369.5 MB] || 4370_MAVEN_Mars_Atmo_Loss_APR_Output.en_US.srt [2.3 KB] || 4370_MAVEN_Mars_Atmo_Loss_APR_Output.en_US.vtt [2.3 KB] || LARGE_MP4_4370_MAVEN_Mars_Atmo_Loss_large.mp4 (3840x2160) [111.3 MB] || YOUTUBE_HQ_4370_MAVEN_Mars_Atmo_Loss_youtube_hq.mov (3840x2160) [2.2 GB] || 4370_MAVEN_Mars_Atmo_Loss_APR.mov (3840x2160) [5.9 GB] || ", "release_date": "2015-11-05T14:00:00-05:00", "update_date": "2025-01-05T22:49:15.588166-05:00", "main_image": { "id": 439148, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004370/final_ions01.4300_print.jpg", "filename": "final_ions01.4300_print.jpg", "media_type": "Image", "alt_text": "Movie without music and titles. Available for download in up to 4k resolution.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 20223, "url": "https://svs.gsfc.nasa.gov/20223/", "page_type": "Animation", "title": "MAVEN Stellar Occultation", "description": "NASA's Mars Atmosphere and Volatile Evolution mission (MAVEN) is the first spacecraft specifically designed to study the upper atmosphere of Mars. MAVEN's goal is to determine how Mars lost its thick early atmosphere, and with it, its once hospitable climate.While previous Mars orbiters have peered down at the planet's surface, MAVEN is spending part of its time gazing at the stars, observing the Martian atmosphere through a series of stellar occultations. As Mars rolls beneath MAVEN, due to the spacecraft's own orbital motion, background stars rise and set behind the planet. Their light dims as it passes through the tenuous atmosphere, with specific gases absorbing specific wavelengths. MAVEN uses its Imaging Ultraviolet Spectrograph to break apart this light and see which wavelengths are absorbed, allowing it to determine atmospheric composition at varying altitudes. || ", "release_date": "2015-09-02T11:00:00-04:00", "update_date": "2023-05-03T13:49:24.814630-04:00", "main_image": { "id": 446811, "url": "https://svs.gsfc.nasa.gov/vis/a020000/a020200/a020223/MAVEN_StellarOccultation_Thumbnail.png", "filename": "MAVEN_StellarOccultation_Thumbnail.png", "media_type": "Image", "alt_text": "MAVEN observes a stellar occultation with its IUVS instrument. By splitting apart the light of setting stars, MAVEN can determine the composition of the Martian atmosphere.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 11037, "url": "https://svs.gsfc.nasa.gov/11037/", "page_type": "Produced Video", "title": "MAVEN: Mars Atmospheric Loss", "description": "When you take a look at Mars, you probably wouldn't think that it looks like a nice place to live. It's dry, it's dusty, and there's practically no atmosphere. But some scientists think that Mars may have once looked like a much nicer place to live, with a thicker atmosphere, cloudy skies, and possibly even liquid water flowing over the surface. So how did Mars transform from a warm, wet world to a cold, barren desert? NASA's MAVEN spacecraft will give us a clearer idea of how Mars lost its atmosphere (and thus its water), and scientists think that several processes have had an impact.Learn more about these processes in the videos below! || ", "release_date": "2013-11-05T11:00:00-05:00", "update_date": "2024-10-15T14:52:39.258086-04:00", "main_image": { "id": 472343, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011000/a011037/G2012-098_Mars_neutral_MASTER_youtube_hq01602_print.jpg", "filename": "G2012-098_Mars_neutral_MASTER_youtube_hq01602_print.jpg", "media_type": "Image", "alt_text": "NEUTRAL PROCESSES Scientists think that the collision of neutral hydrogen molecules may have helped to drive the Martian atmosphere into space over billions of years.For complete transcript, click here.", "width": 1024, "height": 576, "pixels": 589824 } } ], "sources": [], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }