Sagittarius A*, the supermassive black hole at the Milky Way’s galactic center, has been discovered to be spinning so fast that it’s warping the spacetime around it into a football shape. In the image above, we see a black sphere representing its event horizon, the point of no return from which nothing, not even light, can escape.
That’s right, if Sagittarius A* is viewed from from the side, we can see the surrounding spacetime is shaped like a football. As the spin rate increases, the flatter the football becomes. You can also see yellow-orange material to either side, which represents gas swirling around Sgr A*, as it inevitably plunges towards the black hole and crosses the event horizon.
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A black hole’s spin can act as an important source of energy. Spinning supermassive black holes produce collimated outflows such as jets when their spin energy is extracted, which requires that there is at least some matter in the vicinity of the black hole. Because of limited fuel around Sgr A*, this black hole has been relatively quiet in recent millennia with relatively weak jets,” said Lee Mohon, Web Editor at NASA.
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