https://www.nature.com/articles/d41586-025-03725-x
https://www.nature.com/articles/d41586-025-03968-8
There's a pretty scary visualisation by Alejandro Borlaff in Meredith's piece showing what ESA's future ARRAKIHS mission would see in a single wide-field exposure if all currently proposed LEO constellations containing 560,000 satellites (!) actually get built. I've added screenshots here.