Via Prof. Sam Lawler @[email protected] – Nature article non paywalled. “The summary: astronomers spent a lot of time asking SpaceX and other large satellite operators to pretty please make their satellites fainter and/or use fewer satellites. And then BlueWalker 3 was launched by some tiny company and is one of the brightest things in the sky. Asking nicely isn’t working: international regulation and pollution penalties are needed.”