>I wonder if NORAD would have detected it if a satellite remained from the previous civilization. We might've come pretty close: https://en.wikipedia.org/wiki

>I wonder if NORAD would have detected it if a satellite remained from the previous civilization. We might've come pretty close: https://en.wikipedia.org/wiki/Black_Knight_satellite_conspiracy_theory https://en.wikipedia.org/wiki/Black_Knight_satellite_conspir...