Balashev, S., Noterdaeme, P., Gupta, N., Krogager, J., Combes, F., López, S., Petitjean, P., Omont, A., Srianand, R., Cuellar, R. (2025). Quasar radiation transforms the gas in a merging companion galaxy. Nature. https://doi.org/10.1038/s41586-025-08966-4