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    "related": [
        {
            "id": 13924,
            "url": "https://svs.gsfc.nasa.gov/13924/",
            "page_type": "Produced Video",
            "title": "Einstein Ring Spotted By Hubble",
            "description": "This image, taken with the Hubble Space Telescope, shows a distant galaxy located in the constellation Fornax. It is the largest and one of the most complete Einstein rings ever discovered.This object’s unusual shape is the result of gravitational lensing.  Albert Einstein, in his general theory of relativity, first theorised that a large gravitational field could act as a lens.  For more information, visit https://nasa.gov/hubble. Additional Acknowledgements and Credits:ESA/Hubble & NASA, S. Jha, L. ShatzGravitational lensing in action video: NASA, ESA & L. CalçadaAlbert Einstein video: Pond 5Music Credits: \"’Finder\" by Jamal Steven Pilgrim [ASCAP] via Open Note [ASCAP], and Universal Production Music. || ",
            "release_date": "2021-09-23T10:55:00-04:00",
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            "title": "Mystery of Galaxy's Missing Dark Matter Deepens",
            "description": "When astronomers using NASA’s Hubble Space Telescope uncovered an oddball galaxy that looks like it doesn’t have much dark matter, some thought the finding was hard to believe and looked for a simpler explanation. Dark matter, after all, is the invisible glue that makes up the bulk of the universe’s contents. All galaxies are dominated by it; in fact, galaxies are thought to form inside immense halos of dark matter. So, finding a galaxy lacking the invisible stuff is an extraordinary claim that challenges conventional wisdom. It would have the potential to upset theories of galaxy formation and evolution.For more information, visit https://nasa.gov/hubble. Additional Visualizations:Galaxy Motion Simulation: Credit: ESO/L. Calçada.Dark Matter Simulation: Credit: Additional Visualizations:Galaxy Motion Simulation: Credit: ESO/L. Calçada.Dark Matter Simulation: Credit: Wu, Hahn, Wechsler, Abel(KIPAC), Visualization: Kaehler (KIPAC)Music Credits: \"Aphelion Horizon\" by Alistair Hetherington [PRS] via Atmosphere Music Ltd. [PRS], and Universal Production Music. || ",
            "release_date": "2021-06-17T10:55:00-04:00",
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        {
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            "url": "https://svs.gsfc.nasa.gov/13742/",
            "page_type": "Produced Video",
            "title": "Hubble's Extraordinary ULLYSES Program",
            "description": "The universe would be a pretty boring place without stars. Without them, the universe would remain a diffuse plasma of mostly hydrogen and helium from the big bang. To better understand stellar evolution, a new Hubble initiative has been launched called ULLYSES (UV Legacy Library of Young Stars as Essential Standards). This is the largest observing program ever undertaken by NASA’s Hubble Space Telescope, which will be used to look at over 300 stars. Ultraviolet (UV) light from the target stars will be used to produce a library of the spectral fingerprints of young, low-mass stars from eight star-forming regions in the Milky Way, as well as fully mature high-mass stars in several nearby dwarf galaxies including the Magellanic Clouds.For more information, visit https://nasa.gov/hubble.Music Credits:\"Red Giant\" by Christian Tschuggnall [AKM] and Michael Edwards [APRA] via Atmosphere Music Ltd [PRS] and Universal Production Music || ",
            "release_date": "2020-11-05T09:55:00-05:00",
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        },
        {
            "id": 13131,
            "url": "https://svs.gsfc.nasa.gov/13131/",
            "page_type": "Produced Video",
            "title": "Missing Dark Matter",
            "description": "A bizarre, ghostly galaxy lacks dark matter. || stsci-h-p1816a-f-16x9_1024x576.jpg (1024x576) [116.7 KB] || stsci-h-p1816a-f-16x9_print.jpg (1024x576) [133.9 KB] || stsci-h-p1816a-f-16x9.png (3000x1688) [10.1 MB] || stsci-h-p1816a-f-16x9_searchweb.png (320x180) [87.9 KB] || stsci-h-p1816a-f-16x9_thm.png (80x40) [4.9 KB] || ",
            "release_date": "2019-11-18T12:00:00-05:00",
            "update_date": "2023-05-03T13:45:31.128299-04:00",
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                "alt_text": "A bizarre, ghostly galaxy lacks dark matter.",
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            "id": 12907,
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            "page_type": "Produced Video",
            "title": "Hubble Views a Galaxy Lacking Dark Matter",
            "description": "NASA's Hubble Space Telescope took an image of a bizarre, ghostly looking galaxy called NGC 1052-DF2 that astronomers calculate to have little to no dark matter. This is the first galaxy astronomers have discovered to be so lacking in dark matter, which is thought to comprise 85% of our universe's mass.Read the full story at nasa.gov.Download the release images at HubbleSite.org.Find the science paper at nature.com. || ",
            "release_date": "2018-03-28T12:55:00-04:00",
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                "alt_text": "Watch this video on the NASA Goddard YouTube channel.Music credit: \"Reborn\" by Maksim Tyutmanov [PRS] and Victoria Beits [PRS]; Atmosphere Music Ltd PRS; Score Addiction; Killer Tracks Production Music",
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