A failed galaxy could solve the dark matter mystery
Cloud 9 is a failed galaxy. It’s a clump of dark matter, called a dark matter halo, that never formed stars. But this failure could be the key to a mystery almost as old as the universe itself: dark matter. Scientists don’t know what dark matter is, but Cloud 9 could offer new clues. Three researchers weigh in on this new discovery and why it could be a missing piece to the story on how the universe formed.
Check out our episode with astrophysicist Jorge Moreno on the mysterious Great Attractor and our summer series on space.
Have a scientific question you want us to answer? Email us at shortwave@npr.org.
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Check out our episode with astrophysicist Jorge Moreno on the mysterious Great Attractor and our summer series on space.
Have a scientific question you want us to answer? Email us at shortwave@npr.org.
See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.
NPR Privacy Policy
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Cloud 9 is a failed galaxy. It’s a clump of dark matter, called a dark matter halo, that never formed stars. But this failure could be the key to a mystery almost as old as the universe itself: dark matter. Scientists don’t know what dark matter is, but Cloud 9 could offer new clues. Three researchers weigh in on this new discovery and why it could be a missing piece to the story on how the universe formed.
Check out our episode with astrophysicist Jorge Moreno on the mysterious Great Attractor and our summer series on space.
Have a scientific question you want us to answer? Email us at shortwave@npr.org.
See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.
NPR Privacy Policy
Check out our episode with astrophysicist Jorge Moreno on the mysterious Great Attractor and our summer series on space.
Have a scientific question you want us to answer? Email us at shortwave@npr.org.
See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.
NPR Privacy Policy
2026-01-21
12 min
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