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Quasar Winds Reach Far Beyond Host Galaxy, XRISM Study Finds
Key Takeaways
- Astronomers studied quasar H1821+643, about 3.4 billion light-years away.
- Using XRISM, the team tracked ionized iron in hot gas around the quasar.
- The observations suggest the quasar’s winds transport energy to about 300,000 light-years.
- The finding points to black hole feedback affecting a wider galaxy-group environment than previously thought.
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DT Editorial Team··via universetoday.com