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Because of Eta Carinae's violent history, astronomers have kept watch over its activities. Although Hubble has monitored the volatile superstar for 25 years, it still is uncovering new revelations. Using Hubble to map the ultraviolet-light glow of magnesium embedded in warm gas, astronomers were surprised to discover the gas in places they had not seen it before.

For more information, visit https://nasa.gov/hubble

Credit: NASA's Goddard Space Flight Center/Paul Morris.
Music credits: \"Transcode\" by Lee Groves [PRS], and Peter George Marett [PRS]; Killer Tracks Production Music
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Hubble's Servicing Mission 4 (SM4) was the most ambitious and complicated to date. Changing out two major science instruments and repairing two others while in space helped to make this mission truly memorable. Thanks to the astronauts of SM4, the Hubble Space Telescope is at the apex of its power and capabilities. To celebrate SM4’s 10 year anniversary, this video gives a quick and in-depth review on the accomplishments of this historic mission. The tools and the knowledge gleaned from SM4 are used today by astronauts on the International Space Station, and will be critical to NASA's future crewed missions to the Moon and Mars. For more information, visit https://nasa.gov/hubble. 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This is for use on any YouTube or non-YouTube platform where you want to display the video horizontally.", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 12989, "url": "https://svs.gsfc.nasa.gov/12989/", "page_type": "Produced Video", "title": "Superstar Eta Carinae Shoots Cosmic Rays", "description": "Zoom into Eta Carinae, where the outflows of two massive stars collide and shoot accelerated particles cosmic rays into space.Credit: NASA’s Goddard Space Flight Center Music: \"Expectant Aspect\" from Killer Tracks.Watch this video on the NASA Goddard YouTube channel.Complete transcript available. || Eta_Car_CR_Still.jpg (1920x1080) [307.1 KB] || Eta_Car_CR_Still_print.jpg (1024x576) [127.9 KB] || Eta_Car_CR_Still_searchweb.png (320x180) [98.2 KB] || Eta_Car_CR_Still_thm.png (80x40) [7.3 KB] || 12989_Eta_Car_CosmicRay_ProRes_1080.webm (1920x1080) [16.1 MB] || 12989_Eta_Car_CosmicRay_1080.m4v (1920x1080) [155.6 MB] || 12989_Eta_Car_CosmicRay_1080.mp4 (1920x1080) [234.6 MB] || 12989_Eta_Car_CosmicRay_1080p.mov (1920x1080) [311.6 MB] || 12989_Eta_Car_CosmicRay_SRT_Captions.en_US.srt [2.0 KB] || 12989_Eta_Car_CosmicRay_SRT_Captions.en_US.vtt [2.0 KB] || 12989_Eta_Car_CosmicRay_ProRes_1080.mov (1920x1080) [2.1 GB] || ", "release_date": "2018-07-03T11:00:00-04:00", "update_date": "2023-05-03T13:46:39.808921-04:00", "main_image": { "id": 402389, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a012900/a012989/Eta_Car_CR_Still.jpg", "filename": "Eta_Car_CR_Still.jpg", "media_type": "Image", "alt_text": "Zoom into Eta Carinae, where the outflows of two massive stars collide and shoot accelerated particles cosmic rays into space.Credit: NASA’s Goddard Space Flight Center Music: \"Expectant Aspect\" from Killer Tracks.Watch this video on the NASA Goddard YouTube channel.Complete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 11936, "url": "https://svs.gsfc.nasa.gov/11936/", "page_type": "Produced Video", "title": "Superstar Eta Carinae", "description": "NASA observatories take an unprecedented look into two stars with a violent past. || c-1920.jpg (1920x1080) [497.1 KB] || c-1280.jpg (1280x720) [199.4 KB] || c-1024.jpg (1024x576) [115.0 KB] || c-1024_print.jpg (1024x576) [128.5 KB] || c-1024_searchweb.png (320x180) [70.7 KB] || c-1024_web.png (320x180) [70.7 KB] || c-1024_thm.png (80x40) [10.7 KB] || ", "release_date": "2015-10-01T11:00:00-04:00", "update_date": "2023-05-03T13:49:16.501557-04:00", "main_image": { "id": 439203, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011900/a011936/c-1024_print.jpg", "filename": "c-1024_print.jpg", "media_type": "Image", "alt_text": "NASA observatories take an unprecedented look into two stars with a violent past.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 11639, "url": "https://svs.gsfc.nasa.gov/11639/", "page_type": "Produced Video", "title": "Mini Nebula", "description": "Eta Carinae lies about 7,500 light-years away in the southern constellation of Carina and is one of the most massive binary star systems in our Milky Way galaxy. In the middle of the 19th century, it underwent an explosion that astronomers call the Great Eruption. As a part of this event, a gaseous shell containing at least 10 and perhaps as much as 40 times the sun's mass was shot into space. Using new observations, astronomers created the first high-resolution 3-D model of the expanding cloud produced by this outburst. The model suggests the twin-lobed dust-filled cloud known as the Homunculus Nebula—which is now about a light-year long and continues to expand at more than 1.3 million mph—was molded by interactions between Eta Carinae's two stars. Watch the video to learn more. || ", "release_date": "2014-09-11T11:30:00-04:00", "update_date": "2023-05-03T13:50:34.762421-04:00", "main_image": { "id": 451825, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011600/a011639/cz-1024_print.jpg", "filename": "cz-1024_print.jpg", "media_type": "Image", "alt_text": "Astronomers use a 3-D printer to model a cosmic eruption.", "width": 1024, "height": 576, "pixels": 589824 } } ], "sources": [], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }