A composite of radio, optical and X-ray data, this image shows a black hole within a host galaxy (the pink spot near the centre) around 9.9 billion lightyears away.

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A gigantic bubble of hot gas generated by the black hole is thought to have expanded and swept through four neighbouring galaxies, creating a shockwave that compressed cool gas, causing stars to form over one million lightyears away.

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Observatories Chandra X-Ray Observatory, Hubble Space Telescope, Very Large Array

Release date 26 November 2019

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Image credit NASA/CXC/INAF/R. Gilli et al.; Radio NRAO/VLA; Optical: NASA/STScI

Authors

Jane Williamson science journalist and writer
Jane WilliamsonScience journalist

Jane Williamson is BBC Sky at Night Magazine's Production Editor.