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XRISM Measures a Galactic Wind at the Heart of M82
Key Takeaways
- XRISM measured hot gas in M82 moving outward at more than 3.2 million kilometers per hour.
- The gas temperature is reported at about 25 million degrees Celsius.
- The result supports stellar wind and supernova shockwaves as the main drivers of the galaxy’s outflow.
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DT Editorial Team··via universetoday.com