A second supermassive black hole at the heart of a distant galaxy was confirmed by blasts of energy caused as it plunges through a disk of gas and dust around its larger companion.
Brilliant gamma-ray flare 100 times brighter than our entire galaxy reveals 1 monster black hole is actually 2 : Read more
Brilliant gamma-ray flare 100 times brighter than our entire galaxy reveals 1 monster black hole is actually 2 : Read more
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