The Milky Way's black hole blows a conical wind
After a fifty year search, astronomers have discovered a massive cone shaped clearing in the gas surrounding our galaxy's central black hole.
Supermassive black holes are often described as cosmic vacuums that swallow everything in their path, but they are also capable of blowing powerful winds. As material swirls into a black hole, it heats up in an accretion disk. Magnetic forces within this disk can blast material outward before it ever crosses the event horizon, creating a wind that shapes the evolution of the entire galaxy.
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