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  1. NASA's Hubble Finds Strong Evidence for Intermediate-Mass Black Hole in Omega Centauri

    July 10, 2024Release ID: 2024-015 Missions: Hubble

    Elusive Black Hole Tucked Away in Heart of Star Cluster

    An image of the globular cluster Omega Centauri, a collection of myriad stars colored red, white, and blue on the black background of space.

  2. NASA's Roman to Search for Signs of Dark Matter Clumps

    January 17, 2024Release ID: 2024-201 Missions: STScI, Roman

    The Roman Space Telescope’s fine resolution and panoramic views will allow researchers to examine streams of stars pulled from globular star clusters.

    An illustration of the Andromeda galaxy takes up about one third of the view. A few irregularly shaped lines representing globular cluster streams are present. Some globular cluster streams are shown with gaps.

  3. Hubble Sees a Glittering Globular Cluster Embedded Inside Our Milky Way

    September 07, 2023Release ID: 2023-021 Missions: Hubble

    Snowball of Stars Shines Through Clouds of Dust and Gas

    This image shows a compact beehive-like structure of hundreds of thousands of stars crowded together. Because of scattering by interstellar dust, the stars on the left side of the image appear redder. The stars toward the right side of the image are bluish-white. The image is sprinkled with bright blue foreground stars. There is also a smattering of bright red giant stars across the image.

  4. NASA's Hubble Hunts for Intermediate-Sized Black Hole Close to Home

    May 23, 2023Release ID: 2023-016 Missions: Hubble

    A Dark Central Mass is Lurking at the Hub of a Glittering Stellar Island

    Thousands of bright points of light on a black background fill the field of view. They appear somewhat more concentrated near the center of the image. They have a variety of colors, with the most prominent stars appearing blue or yellow-orange. The brighter stars also display four diffraction spikes.

  5. Hubble Discovers Hydrogen-Burning White Dwarfs Enjoying Slow Aging

    September 06, 2021Release ID: 2021-050 Missions: Hubble

    Stellar Dead-Enders Get A New Lease On Life

    Side by side of two clusters with densely packed blue, red and white stars.

  6. Hubble Uncovers Concentration of Small Black Holes

    February 11, 2021Release ID: 2021-008 Missions: Hubble

    Collapsed Stars Hide Out In the Core of a Globular Cluster

    Image of globular star cluster NGC 6397 containing blue stars, red giant stars, and a number of small white objects

  7. What Does the Milky Way Weigh? Hubble and Gaia Investigate

    March 07, 2019Release ID: 2019-16 Missions: Hubble

    Wayward star clusters are used to weigh our home galaxy.

    Illustration of a blue and pink spiral galaxy in the center, surrounded by white dots of different sizes.

  8. Hubble Accidentally Discovers a New Galaxy in Cosmic Neighborhood

    January 31, 2019Release ID: 2019-09 Missions: Hubble

    Isolated star-city is a fossil from the early universe.

    Hubble Accidentally Discovers a New Galaxy in Cosmic Neighborhood

  9. Hubble Uncovers Thousands of Globular Star Clusters Scattered Among Galaxies

    November 29, 2018Release ID: 2018-44 Missions: Hubble

    Survey will allow for mapping of dark matter in huge galaxy cluster

    Hubble Uncovers Thousands of Globular Star Clusters Scattered Among Galaxies

  10. Hubble Makes the First Precise Distance Measurement to an Ancient Globular Star Cluster

    April 04, 2018Release ID: 2018-24 Missions: Hubble

    Refined stellar yardstick helps astronomers improve stellar evolution models

    Hubble Makes the First Precise Distance Measurement to an Ancient Globular Star Cluster

  11. Dark Matter Goes Missing in Oddball Galaxy

    March 28, 2018Release ID: 2018-16 Missions: Hubble

    Galaxy was expected to contain 400 times more dark matter than observations show

    Dark Matter Goes Missing in Oddball Galaxy

  12. Arrested Development: Hubble Finds Relic Galaxy Close to Home

    March 12, 2018Release ID: 2018-17 Missions: Hubble

    Ghostly-looking galaxy stopped making stars long ago

    Arrested Development: Hubble Finds Relic Galaxy Close to Home

  13. Hubble's Celestial Snow Globe

    December 12, 2017Release ID: 2017-37 Missions: Hubble

    A Hubble Space Telescope view of globular cluster M79

    Hubble's Celestial Snow Globe

  14. Hubble Catches a Stellar Exodus in Action

    May 14, 2015Release ID: 2015-16 Missions: Hubble

    Globular star clusters are isolated star cities, home to hundreds of thousands of stars. And like the fast pace of cities, there's plenty of action in these stellar metropolises. The stars are in constant motion, orbitin...

    Hubble Catches a Stellar Exodus in Action

  15. Hubble and Chandra Find Evidence for Densest Galaxy in Nearby Universe

    September 24, 2013Release ID: 2013-40 Missions: Hubble

    Astronomers may have found the densest galaxy in the nearby universe. The galaxy, known as M60-UCD1, is located near a massive elliptical galaxy NGC 4649, also called M60, about 54 million light-years from Earth. This...

    Hubble and Chandra Find Evidence for Densest Galaxy in Nearby Universe

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