https://www.livescience.com/space/black-holes/a-scale-almost-too-big-to-imagine-scientists-spot-monster-black-hole-roaring-with-winds-at-more-than-130-million-mph
'A scale almost too big to imagine': Scientists spot monster black hole roaring with winds at more...
A black hole 30 million times the mass of the sun has produced winds one-fifth the speed of light, stunning scientists.
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https://www.space.com/astronomy/black-holes/this-supermassive-black-hole-flung-out-matter-at-134-million-mph-on-a-scale-almost-too-big-to-imagine
This supermassive black hole flung out matter at 134 million mph: 'On a scale almost too big to...
Scientists used the XRISM X-ray telescope to see a supermassive black hole spewing matter at 134 million miles per hour, or 20% the speed of light.
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