An enormous black hole one hundred thousand times more massive than the sun has been found hiding in a toxic gas cloud wafting around near the heart of the Milky Way, which will rank as the second largest black hole ever seen in the galaxy, as reported in Nature Astronomy.

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An enormous black hole one hundred thousand times more massive than the sun has been found hiding in a toxic gas cloud wafting around near the heart of the Milky Way, which will rank as the second largest black hole ever seen in the galaxy, as reported in Nature Astronomy.