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Less powerful black hole blows environment clean after all

An international team of astronomers led by Dutch scientists has discovered that even a weak jet stream from a low-active black hole can be a kind of leaf blower to clean parts of a galaxy. The observed black hole removes about 75% of the cold gas in the central regions of the galaxy in a few million years. This probably stops the formation of stars. The researchers publish their findings on Thursday in the journal Nature Astronomy.
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