Artist impression of Abell 2597 showing the central supermassive black hole expelling cold, molecular gas — like the pump of a giant intergalactic fountain.
Credit: NRAO/AUI/NSF; D. Berry
Plumes of cold molecular gas spray out by black hole a billion light-years from Earth. Galaxy evolution can be chaotic and messy, but it seems that streams of cold gas spraying out from the region around supermassive black holes may act to calm the storm. This is according to an international team of scientists who have provided the first clear and compelling evidence of this process in action.
Using the Atacama Large Millimetre/submillimetre Array (ALMA) of telescopes, the team, which includes researchers from Cardiff University, has observed a supermassive black hole acting like a ‘monumental fountain’...
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