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Compass Image for NGC 6397

Compass image of globular star cluster NGC 6397 containing blue stars, red giant stars, and a number of small white objects
  • Release Date
    February 11, 2021
  • Science Release
    Hubble Uncovers Concentration of Small Black Holes
    Read the release
  • Credit
    NASA, ESA, Thomas Brown (STScI), Stefano Casertano (STScI), Jay Anderson (STScI)

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

NGC 6397

This ancient stellar jewelry box, a globular cluster called NGC 6397, glitters with the light from hundreds of thousands of stars. Astronomers used the Hubble Space Telescope to gauge the cluster's distance at 7,800 light-years away. NGC 6397 is one of the closest globular...

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Last Updated
Mar 28, 2025
Contact
Media

Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov

Science Credit

NASA, ESA, Eduardo Vitral (IAP), Gary Mamon (IAP)

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