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Published online 6 September 2001 | Nature | doi:10.1038/news010906-10

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Huge black hole in Milky Way

Astronomers find long-sought evidence confirming black hole close to home.

On the 26 October last year, a tiny patch of darkness in the constellation Sagittarius flashed a brief pulse of X-rays into space, providing compelling evidence that slap-bang in the middle of our Galaxy is one of the weirdest objects known to astronomers: a supermassive black hole.

So many observations point to the existence of black holes that physicists talk about them as if they are old friends, yet no one has ever actually verified their presence.

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