Update. Just found this from Oct 2024: "American Astronomical Society (#AAS) Statement on Obtrusive Space Advertising." https://aas.org/about/governance/society-resolutions/space-advertising PS: I'd go further and ban 𝘶𝘯𝘰𝘣𝘵𝘳𝘶𝘴𝘪𝘷𝘦 space advertising that could only be seen with a telescope.