An international team of astronomers have conducted a detailed study of a large ionized bubble an ultraluminous X-ray source (ULX) in the galaxy NGC 5585. Results of the research, presented in a paper published December 7 on arXiv.org, provide more insights into the nature of this bubble.
Source:
https://phys.org/news/2020-12-large-ionized-ngc-x-.html