@libroraptor @mikeolson they are absolutely not thinking about the consequences of adding so much metal to the atmosphere. It doesn't magically disappear. Outer space isn't legally considered an environment so they don't have to do any environmental assessment work. They're already detecting dust from satellites/rockets in the stratosphere, and it's going to get much, much worse: https://www.pnas.org/doi/full/10.1073/pnas.2313374120