![jets are powered by the gravitational energy of a supermassive black hole in the core of the elliptical galaxy Hercules A](https://www.nasa.gov/wp-content/uploads/2023/03/hs-article-1247a-2400x1705-1.jpeg)
Almost Every Galaxy Has One – A Black Hole, That Is
Spectacular jets are powered by the gravitational energy of a supermassive black hole in the core of the elliptical galaxy Hercules A.
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https://www.nasa.gov/image-detail/almost-every-galaxy-has-one-black-hole-that/
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