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Weird dust clouds orbiting our galaxy’s central black hole may be weirder than we thought

16 Jan 2020, 14:00 UTC
Weird dust clouds orbiting our galaxy’s central black hole may be weirder than we thought Jack Ciurlo

At the center of our Milky Way galaxy sits a supermassive black hole — which astronomers named Sgr A* — with over 4 million times the Sun's mass.

But it's not alone. Lots of other stuff is there, too, orbiting that black hole, including stars, gas, and dust. Over time, we can see these objects move, held sway by the incredible gravity of Sgr A*. In fact, the motions of several stars have told us a lot about the black hole itself.

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