Our galaxy's supermassive black hole may have released a huge jet 6 million years ago, which could have blasted through nearby gas and left behind hundreds of strange tendrils.
that such an outburst occurred, but they have not been confirmed yet. “We really want to piece together these larger-scale structures with the smaller scale around the black hole and show that there really is this jet coming out along the disc of the galaxy,” says Yusef-Zadeh. “That could have really profound implications on our understanding of the spin axis of the black hole.”
It could mean that Sagittarius A*’s spin axis is perpendicular to that of the galaxy as a whole, which would be an important clue as to how our galaxy formed and how it interacts with its central black hole now.
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