Swarm of Black Holes at the Center of Our Galaxy

The first image in this sequence is Chandra's 900- by 400-light year mosaic of the Milky Way's center. Next, the view zooms into a smaller region where Chandra has found some 2,000 individual X-ray sources. Finally, Chandra's view of the area immediately surrounding Sagittarius A* (Sgr A*), the Milky Way's supermassive black hole, is shown. As part of a long-term monitoring program, Chandra found several variable X-ray sources. This variability suggests these sources are in systems containing their own stellar-sized black holes.

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