{"id":16671,"date":"2026-11-02T14:02:01","date_gmt":"2026-11-02T18:02:01","guid":{"rendered":"https:\/\/zobi.alcowep.com\/bourtagshdrevxnls658739\/nasas-hubble-uncovers-case-of-missing-oxygen-in-nearby-dwarf-galaxies\/"},"modified":"2026-11-02T14:02:01","modified_gmt":"2026-11-02T18:02:01","slug":"nasas-hubble-uncovers-case-of-missing-oxygen-in-nearby-dwarf-galaxies","status":"publish","type":"post","link":"https:\/\/zobi.alcowep.com\/bourtagshdrevxnls658739\/nasas-hubble-uncovers-case-of-missing-oxygen-in-nearby-dwarf-galaxies\/","title":{"rendered":"NASA\u2019s Hubble Uncovers Case of Missing Oxygen in Nearby Dwarf Galaxies"},"content":{"rendered":"<h2 style=\"text-align: center\">NASA\u2019s Hubble Uncovers Case of Missing Oxygen in Nearby Dwarf Galaxies<\/h2>\n<p><!-- no image --><\/p>\n<div class=\"hds-module hds-module-full alignfull wp-block-nasa-blocks-secondary-navigation\">\n<div class=\"hds-secondary-navigation-wrapper z-top width-100 padding-0\">\n<div 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flex-direction-column\">\n<div class=\"grid-container grid-container-block margin-top-auto width-full maxw-desktop-lg padding-y-9 padding-x-3 desktop:padding-x-3 z-400\">\n<div class=\"z-400 grid-col-12 tablet:grid-col-12 desktop:grid-col-7 z-400\">\n<div class=\"margin-0\">\n<div class=\"label color-spacesuit-white margin-bottom-2\">5 Min Read<\/div>\n<h1 class=\"heading-41 line-height-md color-spacesuit-white-important\">\n\t\t\t\t\t\t\t\tNASA\u2019s Hubble Uncovers Case of Missing Oxygen in Nearby Dwarf Galaxies\t\t\t\t\t\t\t<\/h1>\n<\/div>\n<\/div>\n<div class=\"grid-col-12 tablet:grid-col-12 desktop:grid-col-5\"><\/div>\n<div class=\"skrim-overlay skrim-left mobile-skrim-top z-200\"><\/div>\n<figure class=\"hds-media-background  \"><img fetchpriority=\"high\" decoding=\"async\" width=\"1536\" height=\"990\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=1536&amp;h=990&amp;fit=clip&amp;crop=faces%2Cfocalpoint\" class=\"attachment-1536x990 size-1536x990\" alt=\"Clumpy, irregular, cloud-like dwarf galaxy in a roughly rectangular shape is speckled with small, bright, blue points of light and larger, light pink patches throughout. Dark brown and milky white areas are also smudged throughout the center of the galaxy. The galaxy appears against a mostly black background lightly dotted with tiny white, blue and red stars and galaxies.\" loading=\"eager\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=1536&amp;h=990&amp;fit=crop&amp;crop=faces%2Cfocalpoint 1536w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=300&amp;h=193&amp;fit=crop&amp;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=768&amp;h=495&amp;fit=crop&amp;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=1024&amp;h=660&amp;fit=crop&amp;crop=faces%2Cfocalpoint 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=400&amp;h=258&amp;fit=crop&amp;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=600&amp;h=387&amp;fit=crop&amp;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=900&amp;h=580&amp;fit=crop&amp;crop=faces%2Cfocalpoint 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=1200&amp;h=773&amp;fit=crop&amp;crop=faces%2Cfocalpoint 1200w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\"><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"padding-y-3 padding-x-3\">\n<div class=\"grid-container grid-container-block padding-x-0\"><figcaption class=\"hds-caption maxw-mobile desktop:padding-x-3\">\n<div class=\"hds-caption-text p-sm margin-0 color-carbon-30\">\n<div><figcaption>This is an image from NASA\u2019s Hubble Space Telescope of NGC 4449, one of the dwarf galaxies in the Galaxies Losing Oxygen via Winds (GLOW) study. Researchers found that dwarf galaxies can hold onto only a small fraction of the oxygen made by their stars.\u00a0<\/figcaption><\/div>\n<\/div>\n<div class=\"hds-credits color-spacesuit-white-important\">\n\t\t\t\t\t\t<span>Credits: <\/span><br \/>\n\t\t\t\t\t\t<span>Image: NASA, ESA, Hubble Heritage\u2013ESA\/Hubble Collaboration, Alessandra Aloisi (STScI, ESA)<\/span>\n\t\t\t\t\t<\/div>\n<\/figcaption><\/div>\n<\/div>\n<\/div>\n<p class=\"wp-block-paragraph\">NASA\u2019s Hubble Space Telescope just revealed a mystery in our cosmic neighborhood. In a <a href=\"https:\/\/doi.org\/10.3847\/1538-4357\/ae93a6\" rel=\"noopener\">paper<\/a> published Monday in The Astrophysical Journal, researchers using Hubble studied 37 nearby dwarf galaxies \u2014 small galaxies containing a few thousand to hundreds of millions of stars \u2014 and found that much of the oxygen they expected to see is missing.\u00a0<\/p>\n<p class=\"wp-block-paragraph\">Simulations predict that significantly more oxygen, a tracer of a wider set of heavy elements, should reside in these galaxies. So where did it go?\u00a0<\/p>\n<p class=\"wp-block-paragraph\">\u201cOxygen is produced by stars, which are inside of galaxies. We know that the oxygen had to be inside of the galaxies at some point in the past, so the oxygen must have been ejected,\u201d said co-investigator Grace Telford, assistant professor in the Department of Physics and Astronomy at the University of Utah. \u201cAnd to do that, you need energy from massive stars and supernova explosions to drive material out of the host galaxies and into the space between galaxies.\u201d<\/p>\n<p class=\"wp-block-paragraph\">Galactic winds unleashed by supernovae are apparently more effective at removing oxygen from low-mass galaxies than current models predict, according to the new study. The findings show that dwarf galaxies can hold onto only a small fraction of the oxygen made by stars.\u00a0<\/p>\n<div class=\"hds-media hds-module wp-block-image\">\n<div class=\"margin-left-auto margin-right-auto nasa-block-align-wide\">\n<div class=\"hds-media-wrapper margin-left-auto margin-right-auto\">\n<figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-cover \"><a href=\"https:\/\/assets.science.nasa.gov\/content\/dam\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg\" target=\"_blank\" rel=\"noopener noreferrer\" aria-label=\"Clumpy, irregular, cloud-like dwarf galaxy in a roughly rectangular shape is speckled with small, bright, blue points of light and larger, light pink patches throughout. Dark brown and milky white areas are also smudged throughout the center of the galaxy. The galaxy appears against a mostly black background lightly dotted with tiny white, blue and red stars and galaxies. (opens in a new tab)\"><img decoding=\"async\" width=\"2048\" height=\"1320\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=2048&amp;h=1320&amp;fit=clip&amp;crop=faces%2Cfocalpoint\" class=\"attachment-2048x1320 size-2048x1320\" alt=\"Clumpy, irregular, cloud-like dwarf galaxy in a roughly rectangular shape is speckled with small, bright, blue points of light and larger, light pink patches throughout. Dark brown and milky white areas are also smudged throughout the center of the galaxy. The galaxy appears against a mostly black background lightly dotted with tiny white, blue and red stars and galaxies.\" loading=\"lazy\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=2048&amp;h=1320&amp;fit=crop&amp;crop=faces%2Cfocalpoint 2048w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=300&amp;h=193&amp;fit=crop&amp;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=768&amp;h=495&amp;fit=crop&amp;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=1024&amp;h=660&amp;fit=crop&amp;crop=faces%2Cfocalpoint 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=1536&amp;h=990&amp;fit=crop&amp;crop=faces%2Cfocalpoint 1536w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=400&amp;h=258&amp;fit=crop&amp;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=600&amp;h=387&amp;fit=crop&amp;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=900&amp;h=580&amp;fit=crop&amp;crop=faces%2Cfocalpoint 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=1200&amp;h=773&amp;fit=crop&amp;crop=faces%2Cfocalpoint 1200w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=2000&amp;h=1289&amp;fit=crop&amp;crop=faces%2Cfocalpoint 2000w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\"><\/a><\/figure><figcaption class=\"hds-caption padding-y-2\">\n<div class=\"hds-caption-text p-sm margin-0\">This is an image from NASA\u2019s Hubble Space Telescope of NGC 4449, one of the dwarf galaxies in the Galaxies Losing Oxygen via Winds (GLOW) study. Researchers found that dwarf galaxies can hold onto only a small fraction of the oxygen made by their stars.\u00a0<\/div>\n<div class=\"hds-credits\">Image: NASA, ESA, Hubble Heritage\u2013ESA\/Hubble Collaboration, Alessandra Aloisi (STScI, ESA)<\/div>\n<\/figcaption><\/div>\n<\/div>\n<\/div>\n<p class=\"wp-block-paragraph\">In the Galaxies Losing Oxygen via Winds (GLOW) project, funded by NASA and the National Science Foundation, scientists traced the oxygen to understand how it is distributed inside stars, in the gas between stars, and in the space between galaxies. But, of all the elements in the galaxies, why study oxygen?<\/p>\n<p class=\"wp-block-paragraph\">Oxygen, the most abundant element after hydrogen and helium, is relatively easy to detect and measure, and its production is well understood \u2014 making it a reliable indicator of how chemical elements are distributed in a galaxy.\u00a0<\/p>\n<p class=\"wp-block-paragraph\">\u201cSo, it\u2019s really for practical reasons that we\u2019ve chosen oxygen,\u201d said Kristen Wingfield McQuinn, GLOW principal investigator and mission head of the Science Operations Center for NASA\u2019s newly launched, panoramic <a href=\"https:\/\/science.nasa.gov\/mission\/roman-space-telescope\/\" rel=\"noopener\">Nancy Grace Roman Space Telescope<\/a> at the Space Telescope Science Institute in Baltimore, Maryland. She also is an associate professor at Rutgers University in New Brunswick, New Jersey.\u00a0<\/p>\n<p class=\"wp-block-paragraph\">\u201cOxygen is one of the primary elements formed by stars. Being able to trace how much oxygen gets made, and then how much is distributed inside and outside of galaxies, helps us understand galaxy evolution,\u201d said McQuinn. \u201cIt also helps us learn where and how much galaxies are enriching the space between galaxies, called the intergalactic medium.\u201d\u00a0<\/p>\n<p class=\"wp-block-paragraph\">The study used archival optical imaging data from <a href=\"https:\/\/science.nasa.gov\/mission\/hubble\/\" rel=\"noopener\">Hubble<\/a> to resolve stellar populations and determine star-formation histories and compositions. Along with data from NASA\u2019s retired <a href=\"https:\/\/science.nasa.gov\/mission\/spitzer\/\" rel=\"noopener\">Spitzer Space Telescope<\/a> as well as the ground-based Very Large Array and Australian Telescope Compact Array, the researchers analyzed 37 nearby dwarf galaxies to trace oxygen atoms produced by stars.\u00a0<\/p>\n<p class=\"wp-block-paragraph\">The team wanted to understand how oxygen is distributed across the stars, gas, and dust in the galaxies. These dwarf galaxies were selected because their masses fall in the range where simulations and theory predict that an increasing amount of their oxygen will be expelled from the galaxies via supernovae explosions. These 37 galaxies also are all close enough for Hubble to resolve their individual stars. That\u2019s not true for the vast majority of known dwarf galaxies, which are too far away for this kind of study.<\/p>\n<p class=\"wp-block-paragraph\">Although astronomers already suspected that galaxies expel a large fraction of oxygen and other heavy elements, an open question has been where these metals end up. A <a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2014ApJ...786...54P\/abstract\" rel=\"noopener\">previous study<\/a> from 2014 addressed this question for Milky Way-like, star-forming galaxies, finding that these galaxies lost a large fraction of their oxygen, some of which is found in the diffuse haloes of gas surrounding galaxies outside their disks, called the circumgalactic medium.<\/p>\n<p class=\"wp-block-paragraph\">In the GLOW study, McQuinn and her team extended this research to low-mass galaxies across a wide range of masses and environments. While previous teams have measured oxygen in the circumgalactic medium of dwarf galaxies, it is still unclear if most of the missing oxygen is in this region, or if it has been completely ejected from the galaxy\u2019s surroundings.\u00a0<\/p>\n<p class=\"wp-block-paragraph\">In the future, McQuinn hopes to study even lower-mass galaxies in the nearby universe. She has an approved program to use the Roman Space Telescope to find these faint and tiny systems across a wide swath of sky. Once she\u2019s identified these galaxies, McQuinn hopes to use Hubble and NASA\u2019s <a href=\"https:\/\/science.nasa.gov\/mission\/webb\/\" rel=\"noopener\">James Webb Space Telescope<\/a> to get deeper observations of their stars. This would allow her to reconstruct the galaxies\u2019 histories to understand how they formed stars across cosmic time.\u00a0<\/p>\n<p class=\"wp-block-paragraph\">Telford\u2019s future work involves using Hubble to zoom in on the individual, massive stars that produce oxygen and eject it from their host galaxies. She\u2019s using some of the nearby GLOW targets to get very detailed observations to characterize how the massive stars are different in these small galaxies.<\/p>\n<p class=\"wp-block-paragraph\">The Hubble Space Telescope has been operating for over three decades and continues to make ground-breaking discoveries that shape our fundamental understanding of the universe. Hubble is a project of international cooperation between NASA and ESA (European Space Agency). NASA\u2019s Goddard Space Flight Center in Greenbelt, Maryland, manages the telescope and mission operations. Lockheed Martin Space, based in Denver, also supports mission operations at Goddard. The Space Telescope Science Institute in Baltimore, which is operated by the Association of Universities for Research in Astronomy, conducts Hubble science operations for NASA.<\/p>\n<div class=\"hds-social-media hds-social-media--horizontal grid-container grid-container-block nasa-gb-align-center margin-y-0 padding-y-5 padding-x-3 desktop:padding-x-0 font-weight-bold hds-module aligncenter wp-block-nasa-blocks-social-media-links\">\n<div class=\"display-flex flex-align-center padding-y-1\">\n<div class=\"circle-4 minw-4 display-flex flex-align-center flex-justify-center\">\n\t\t\t\t<title>Facebook logo<\/title>\t\t\t<\/div>\n<div class=\"hds-social-media-items padding-left-2\">\n\t\t\t\t<a target=\"_blank\" class=\"margin-right-2\" href=\"https:\/\/facebook.com\/NASAHubble\" aria-label=\"Go to @NASAHubble on facebook\" rel=\"noopener\">@NASAHubble<\/a>\t\t\t<\/div>\n<\/div>\n<div class=\"display-flex flex-align-center padding-y-1\">\n<div class=\"circle-4 minw-4 display-flex flex-align-center flex-justify-center\">\n\t\t\t\t\t\t\t<\/div>\n<div class=\"hds-social-media-items padding-left-2\">\n\t\t\t\t<a target=\"_blank\" class=\"margin-right-2\" href=\"https:\/\/x.com\/NASAHubble\" aria-label=\"Go to @NASAHubble on twitter\">@NASAHubble<\/a>\t\t\t<\/div>\n<\/div>\n<div class=\"display-flex flex-align-center padding-y-1\">\n<div class=\"circle-4 minw-4 display-flex flex-align-center flex-justify-center\">\n\t\t\t\t<title>Instagram logo<\/title>   \t\t\t<\/div>\n<div class=\"hds-social-media-items padding-left-2\">\n\t\t\t\t<a target=\"_blank\" class=\"margin-right-2\" href=\"https:\/\/instagram.com\/NASAHubble\" aria-label=\"Go to @NASAHubble on instagram\" rel=\"noopener\">@NASAHubble<\/a>\t\t\t<\/div>\n<\/div>\n<\/div>\n<div class=\"hds-featured-link-list bg-carbon-05 padding-x-2 tablet:padding-x-3 desktop:padding-x-4 padding-y-5 desktop:padding-y-6 hds-module hds-module-full alignfull wp-block-nasa-blocks-featured-link-list\">\n<div class=\"grid-container grid-container-block padding-0\">\n<div class=\"margin-bottom-4\">\n<h2 class=\"heading-22\">\n\t\t\t\tRelated Multimedia\t\t\t<\/h2>\n<\/div>\n<div class=\"grid-row padding-y-2 border-top-1px border-color-carbon-30-important\">\n<div class=\"grid-row featured-link-list-row width-full flex-align-center\">\n<div class=\"grid-col-2 desktop:grid-col-1 tablet:padding-right-3 desktop:padding-right-5\">\n<div class=\"width-full\">\n<div class=\"hds-cover-wrapper width-full ratio-1x1 radius-pill overflow-hidden\">\n<figure class=\"hds-media-background  \"><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=150&amp;h=150&amp;fit=crop&amp;crop=faces,focalpoint\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Clumpy, irregular, cloud-like dwarf galaxy in a roughly rectangular shape is speckled with small, bright, blue points of light and larger, light pink patches throughout. Dark brown and milky white areas are also smudged throughout the center of the galaxy. The galaxy appears against a mostly black background lightly dotted with tiny white, blue and red stars and galaxies.\" loading=\"lazy\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=150&amp;h=150&amp;fit=crop&amp;crop=faces%2Cfocalpoint 150w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=50&amp;h=50&amp;fit=crop&amp;crop=faces%2Cfocalpoint 50w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2026\/11\/STScI-01M4RST3TGWT2T53FVXQBSP75D.jpg?w=100&amp;h=100&amp;fit=crop&amp;crop=faces%2Cfocalpoint 100w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\"><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"grid-col-8 desktop:grid-col-10 padding-left-3 desktop:padding-left-0\">\n<div class=\"grid-row flex-align-center\">\n<div class=\"grid-col-12 desktop:grid-col-6\">\n<h2 class=\"heading-36 margin-0\">Dwarf Galaxy NGC 4449<\/h2>\n<\/div>\n<div class=\"grid-col-12 desktop:grid-col-6\">\n<p class=\"p-md margin-0 color-carbon-black-important\">This is an image from NASA\u2019s Hubble Space Telescope of NGC 4449, one of the dwarf galaxies in the Galaxies Losing Oxygen via Winds (GLOW) study. Researchers found that dwarf galaxies can hold onto only a small fraction of the oxygen made by their stars.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"grid-col-2 desktop:grid-col-1 display-flex flex-justify-end\">\n\t\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/asset\/hubble\/dwarf-galaxy-ngc-4449\/\" target=\"\" aria-label=\"Dwarf Galaxy NGC 4449\" class=\"link-external-false\" rel=\"noopener\"><\/p>\n<p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\n<\/p>\n<div class=\"nasa-gb-align-full width-full maxw-full padding-x-3 padding-y-0 nasa_template_article_b hds-module hds-module-full alignfull wp-block-nasa-blocks-credits-and-details\">\n<section class=\"padding-x-0 padding-top-5 padding-bottom-2 desktop:padding-top-7 desktop:padding-bottom-9\">\n<div class=\"grid-row grid-container maxw-widescreen padding-0\">\n<div class=\"grid-col-12 desktop:grid-col-2 padding-right-4 margin-bottom-5 desktop:margin-bottom-0\">\n<div class=\"padding-top-3 border-top-1px border-color-carbon-black\">\n<div class=\"margin-bottom-2\">\n<h2 class=\"heading-14\">Share<\/h2>\n<\/div>\n<div class=\"padding-bottom-2\">\n<ul class=\"social-icons social-icons-round\">\n<li class=\"social-icon social-icon-x\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/x.com\/intent\/tweet?via=NASA&amp;text=NASA%E2%80%99s%20Hubble%20Uncovers%20Case%20of%20Missing%20Oxygen%20in%20Nearby%20Dwarf%20Galaxies&amp;url=https%3A%2F%2Fscience.nasa.gov%2Fmissions%2Fhubble%2Fnasas-hubble-uncovers-case-of-missing-oxygen-in-nearby-dwarf-galaxies%2F\" aria-label=\"Share on X.\"><\/p>\n<p>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n<li class=\"social-icon social-icon-facebook\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.facebook.com\/sharer.php?u=https%3A%2F%2Fscience.nasa.gov%2Fmissions%2Fhubble%2Fnasas-hubble-uncovers-case-of-missing-oxygen-in-nearby-dwarf-galaxies%2F\" aria-label=\"Share on Facebook.\" rel=\"noopener\"><\/p>\n<p>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n<li class=\"social-icon social-icon-linkedin\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.linkedin.com\/shareArticle?mini=true&amp;url=https%3A%2F%2Fscience.nasa.gov%2Fmissions%2Fhubble%2Fnasas-hubble-uncovers-case-of-missing-oxygen-in-nearby-dwarf-galaxies%2F\" aria-label=\"Share on LinkedIn.\" rel=\"noopener\"><\/p>\n<p>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n<li class=\"social-icon social-icon-rss\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/feed\/\" aria-label=\"Subscribe to RSS feed.\"><\/p>\n<p>\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"grid-col-12 desktop:grid-col-5 padding-right-4 margin-bottom-5 desktop:margin-bottom-0\">\n<div class=\"padding-top-3 border-top-1px border-color-carbon-black\">\n<div class=\"margin-bottom-2\">\n<h2 class=\"heading-14\">Details<\/h2>\n<\/div>\n<div class=\"grid-row margin-bottom-3\">\n<div class=\"grid-col-4\">\n<div class=\"subheading\">Last Updated<\/div>\n<\/div>\n<div class=\"grid-col-8\">Nov 02, 2026<\/div>\n<\/div>\n<div class=\"grid-row margin-bottom-3\">\n<div class=\"grid-col-4\">\n<div class=\"subheading\">Editor<\/div>\n<\/div>\n<div class=\"grid-col-8\">Andrea Gianopoulos<\/div>\n<\/div>\n<div class=\"grid-row\">\n<div class=\"grid-col-4\">\n<div class=\"subheading\">Location<\/div>\n<\/div>\n<div class=\"grid-col-8\"><a class=\"hds-location-tag-name\" href=\"https:\/\/nasa.gov\/goddard\" rel=\"noopener\"><span class=\"hds-meta-heading\">NASA Goddard Space Flight Center<\/span><\/a><\/div>\n<\/div>\n<div class=\"grid-row margin-y-3\">\n<div class=\"grid-col-4\">\n<div class=\"subheading\">Contact<\/div>\n<\/div>\n<div class=\"grid-col-8\">\n<div class=\"margin-bottom-3\">\n<div class=\"heading-16 padding-bottom-1 border-bottom margin-bottom-2\">Media<\/div>\n<div class=\"cnd-extra-left-wysiwyg\">\n<p><strong>Claire Andreoli<\/strong><br \/>\nNASA\u2019s Goddard Space Flight Center<br \/>\nGreenbelt, Maryland<br \/>\n<a href=\"mailto:claire.andreoli@nasa.gov\">claire.andreoli@nasa.gov<\/a><\/p>\n<p><strong>Ann Jenkins, Christine Pulliam<\/strong><br \/>\nSpace Telescope Science Institute<br \/>\nBaltimore, Maryland<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"grid-col-12 desktop:grid-col-5 padding-right-4 margin-bottom-5 desktop:margin-bottom-0\">\n<div class=\"padding-top-3 border-top-1px border-color-carbon-black \">\n<div class=\"margin-bottom-2\">\n<h2 class=\"heading-14\">Related Terms<\/h2>\n<\/div>\n<ul class=\"article-tags\">\n<li class=\"article-tag\"><a href=\"https:\/\/science.nasa.gov\/mission\/hubble\" rel=\"noopener\">Hubble Space Telescope<\/a><\/li>\n<li class=\"article-tag\"><a href=\"https:\/\/science.nasa.gov\/astrophysics\/\" rel=\"noopener\">Astrophysics<\/a><\/li>\n<li class=\"article-tag\"><a href=\"https:\/\/science.nasa.gov\/astrophysics\/\" rel=\"noopener\">Astrophysics Division<\/a><\/li>\n<li class=\"article-tag\"><a href=\"https:\/\/science.nasa.gov\/universe\/galaxies\/\" rel=\"noopener\">Galaxies<\/a><\/li>\n<li class=\"article-tag\"><a href=\"https:\/\/www.nasa.gov\/goddard\/\" rel=\"noopener\">Goddard Space Flight Center<\/a><\/li>\n<li class=\"article-tag\"><a href=\"https:\/\/science.nasa.gov\/category\/universe\/sensing-the-universe-multimessenger-astronomy\/\" rel=\"noopener\">Sensing the Universe &amp; Multimessenger Astronomy<\/a><\/li>\n<li class=\"article-tag\"><a href=\"https:\/\/science.nasa.gov\/universe\/stars\/\" rel=\"noopener\">Stars<\/a><\/li>\n<li class=\"article-tag\"><a href=\"https:\/\/science.nasa.gov\/category\/universe\/stars\/supernovae\/\" rel=\"noopener\">Supernovae<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<div class=\"hds-topic-cards nasa-gb-align-full maxw-full width-full padding-y-6 padding-x-3 color-mode-dark hds-module hds-module-full alignfull wp-block-nasa-blocks-topic-cards\">\n<div class=\"grid-container grid-container-block-lg padding-x-0\">\n<div class=\"grid-row flex-align-center margin-bottom-3\">\n<div class=\"desktop:grid-col-8 margin-bottom-2 desktop:margin-bottom-0\">\n<div class=\"label color-carbon-60 margin-bottom-2\">Keep Exploring<\/div>\n<h2 class=\"heading-36 line-height-sm\">Discover More Topics From Hubble<\/h2>\n<\/div>\n<\/div>\n<div class=\"grid-row grid-gap-2 hds-topic-cards-wrapper\">\n\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/mission\/hubble\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\" rel=\"noopener\"><\/p>\n<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n<div>\n<h3 class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Hubble Space Telescope<\/span><\/p>\n<\/h3>\n<p class=\"margin-bottom-0 margin-top-2 color-carbon-20-important\">Since its 1990 launch, the Hubble Space Telescope has changed our fundamental understanding of the universe.<\/p>\n<\/div>\n<\/div>\n<figure class=\"hds-media-background  \"><img decoding=\"async\" width=\"1512\" height=\"1536\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/cds\/general\/images\/2023\/07\/hubble-space-telescope-hst-6.jpg?w=1512&amp;h=1536&amp;fit=clip&amp;crop=faces%2Cfocalpoint\" class=\"attachment-1512x1536 size-1512x1536\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/cds\/general\/images\/2023\/07\/hubble-space-telescope-hst-6.jpg?w=1512&amp;h=1536&amp;fit=crop&amp;crop=faces%2Cfocalpoint 1512w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/cds\/general\/images\/2023\/07\/hubble-space-telescope-hst-6.jpg?w=295&amp;h=300&amp;fit=crop&amp;crop=faces%2Cfocalpoint 295w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/cds\/general\/images\/2023\/07\/hubble-space-telescope-hst-6.jpg?w=768&amp;h=780&amp;fit=crop&amp;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/cds\/general\/images\/2023\/07\/hubble-space-telescope-hst-6.jpg?w=1008&amp;h=1024&amp;fit=crop&amp;crop=faces%2Cfocalpoint 1008w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/cds\/general\/images\/2023\/07\/hubble-space-telescope-hst-6.jpg?w=50&amp;h=51&amp;fit=crop&amp;crop=faces%2Cfocalpoint 50w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/cds\/general\/images\/2023\/07\/hubble-space-telescope-hst-6.jpg?w=394&amp;h=400&amp;fit=crop&amp;crop=faces%2Cfocalpoint 394w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/cds\/general\/images\/2023\/07\/hubble-space-telescope-hst-6.jpg?w=591&amp;h=600&amp;fit=crop&amp;crop=faces%2Cfocalpoint 591w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/cds\/general\/images\/2023\/07\/hubble-space-telescope-hst-6.jpg?w=886&amp;h=900&amp;fit=crop&amp;crop=faces%2Cfocalpoint 886w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/cds\/general\/images\/2023\/07\/hubble-space-telescope-hst-6.jpg?w=1181&amp;h=1200&amp;fit=crop&amp;crop=faces%2Cfocalpoint 1181w\" sizes=\"auto, (max-width: 1512px) 100vw, 1512px\"><\/figure>\n<\/div>\n<p><\/a><br \/>\n\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/mission\/hubble\/science\/science-highlights\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\" rel=\"noopener\"><\/p>\n<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n<div>\n<h3 class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Hubble Science Highlights<\/span><\/p>\n<\/h3>\n<p class=\"margin-bottom-0 margin-top-2 color-carbon-20-important\">Hubble\u2019s most notable scientific discoveries reflect the broad range of research and the breakthroughs it has achieved.<\/p>\n<\/div>\n<\/div>\n<figure class=\"hds-media-background  \"><img decoding=\"async\" width=\"539\" height=\"565\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/astro\/universe\/internal_resources\/462\/Pillars_of_Creation-1.jpeg?w=539&amp;h=565&amp;fit=clip&amp;crop=faces%2Cfocalpoint\" class=\"attachment-539x565 size-539x565\" alt=\"\" loading=\"lazy\"><\/figure>\n<\/div>\n<p><\/a><br \/>\n\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/mission\/hubble\/multimedia\/hubble-images\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\" rel=\"noopener\"><\/p>\n<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n<div>\n<h3 class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Hubble Images<\/span><\/p>\n<\/h3>\n<p class=\"margin-bottom-0 margin-top-2 color-carbon-20-important\">Explore Hubble\u2019s iconic images of the universe, and view photos of mission operations and astronauts servicing Hubble in space.<\/p>\n<\/div>\n<\/div>\n<figure class=\"hds-media-background  \"><img decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2024\/07\/STScI-01J1X1RNTC893XMKJREG898ZXB.tif?w=50 50w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2024\/07\/STScI-01J1X1RNTC893XMKJREG898ZXB.tif?w=100 100w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2024\/07\/STScI-01J1X1RNTC893XMKJREG898ZXB.tif?w=150 150w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2024\/07\/STScI-01J1X1RNTC893XMKJREG898ZXB.tif?w=200 200w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2024\/07\/STScI-01J1X1RNTC893XMKJREG898ZXB.tif?w=300 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2024\/07\/STScI-01J1X1RNTC893XMKJREG898ZXB.tif?w=400 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2024\/07\/STScI-01J1X1RNTC893XMKJREG898ZXB.tif?w=600 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2024\/07\/STScI-01J1X1RNTC893XMKJREG898ZXB.tif?w=768 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2024\/07\/STScI-01J1X1RNTC893XMKJREG898ZXB.tif?w=900 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2024\/07\/STScI-01J1X1RNTC893XMKJREG898ZXB.tif?w=1024 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2024\/07\/STScI-01J1X1RNTC893XMKJREG898ZXB.tif?w=1200 1200w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2024\/07\/STScI-01J1X1RNTC893XMKJREG898ZXB.tif?w=1536 1536w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" data-no-id=\"true\" alt=\"\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2024\/07\/STScI-01J1X1RNTC893XMKJREG898ZXB.tif?w=1536\"><\/figure>\n<\/div>\n<p><\/a><br \/>\n\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/?post_type=mission&amp;p=53188\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\" rel=\"noopener\"><\/p>\n<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n<div>\n<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Hubble News<\/span><\/p>\n<\/div>\n<\/div>\n<figure class=\"hds-media-background  \"><img decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2005\/02\/STScI-01EVT8D2PRXPF512PH8C8DCXXM.tif?w=50 50w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2005\/02\/STScI-01EVT8D2PRXPF512PH8C8DCXXM.tif?w=100 100w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2005\/02\/STScI-01EVT8D2PRXPF512PH8C8DCXXM.tif?w=150 150w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2005\/02\/STScI-01EVT8D2PRXPF512PH8C8DCXXM.tif?w=200 200w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2005\/02\/STScI-01EVT8D2PRXPF512PH8C8DCXXM.tif?w=300 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2005\/02\/STScI-01EVT8D2PRXPF512PH8C8DCXXM.tif?w=400 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2005\/02\/STScI-01EVT8D2PRXPF512PH8C8DCXXM.tif?w=600 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2005\/02\/STScI-01EVT8D2PRXPF512PH8C8DCXXM.tif?w=768 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2005\/02\/STScI-01EVT8D2PRXPF512PH8C8DCXXM.tif?w=900 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2005\/02\/STScI-01EVT8D2PRXPF512PH8C8DCXXM.tif?w=1024 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2005\/02\/STScI-01EVT8D2PRXPF512PH8C8DCXXM.tif?w=1200 1200w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2005\/02\/STScI-01EVT8D2PRXPF512PH8C8DCXXM.tif?w=1536 1536w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" data-no-id=\"true\" alt=\"\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/hubble\/releases\/2005\/02\/STScI-01EVT8D2PRXPF512PH8C8DCXXM.tif?w=1536\"><\/figure>\n<\/div>\n<p><\/a>\n\t\t\t\t<\/div>\n<\/div>\n<\/div>\n<p class=\"wpematico_credit\"><small>Powered by <a href=\"http:\/\/www.wpematico.com\" target=\"_blank\">WPeMatico<\/a><\/small><\/p>\n<p><a href=\"https:\/\/science.nasa.gov\/missions\/hubble\/nasas-hubble-uncovers-case-of-missing-oxygen-in-nearby-dwarf-galaxies\/\" target=\"_blank\" rel=\"noopener\">Get The Details&#8230;<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>NASA\u2019s Hubble studied 37 nearby dwarf galaxies and found that much of the oxygen they expected to see is missing.\u00a0 <a class=\"continue-reading-link\" href=\"https:\/\/zobi.alcowep.com\/bourtagshdrevxnls658739\/nasas-hubble-uncovers-case-of-missing-oxygen-in-nearby-dwarf-galaxies\/\"> Continue reading <span class=\"meta-nav\">&rarr; <\/span><\/a><\/p>\n<div 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