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Strong Winds Detected from Milky Way's Black Hole

10/13/2025

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Summary

Story summary

Astronomers report strong evidence of winds from the Milky Way's supermassive black hole Sagittarius A*, seen as a cone-shaped gap in surrounding cold gas observed with the Atacama Large Millimeter/Submillimeter Array (ALMA).
The gap indicates hot plasma winds are blowing the cold gas away around Sagittarius A*.
Researchers Lena Murchikova and Mark Gorski combined five years of ALMA data with NASA’s Chandra X-ray observations, aligning with the cone shape.

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Story summary

Astronomers report strong evidence of winds from the Milky Way's supermassive black hole Sagittarius A*, seen as a cone-shaped gap in surrounding cold gas observed with the Atacama Large Millimeter/Submillimeter Array (ALMA).
The gap indicates hot plasma winds are blowing the cold gas away around Sagittarius A*.
Researchers Lena Murchikova and Mark Gorski combined five years of ALMA data with NASA’s Chandra X-ray observations, aligning with the cone shape.