Wednesday, December 10, 2025

Euclid Reveals What Wakes Sleeping Black Holes

The unprecedented images from the Euclid telescope - like this image of NGC6744 - have helped inform the behaviour of black holes (Credit : ESA/Euclid/Euclid Consortium/NASA)

The European Space Agency's Euclid telescope has delivered an unprecedented set of observations of one million galaxies that shows that galaxy collisions play a dominant role in awakening supermassive black holes from their sleep. Using revolutionary AI-powered analysis methods, astronomers discovered that merging galaxies contain up to six times more active black holes than isolated galaxies, with the most luminous black holes found almost exclusively in collision zones.



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