The family lore was that we've had it ever since it was ejected from a star-forming gas cloud, but it seems more likely that my great-grandparents probably just bought it while on vacation in the galactic thin disk.
'Spurious signals from the kitchen' is harder for an optical telescope than a radio one, but with enough determination and creativity, I believe it's possible.
We all have our petty hills to die on, one of mine is that it should be called "Łukasiewicz notation" after the mathematician who invented it, not Polish Notation because he happened to be Polish. Either that, or we should rename Feynman diagrams to American Diagrams and Penrose Tiles to English Tiles.