6 ms·14 billion years and not a single piece of evidence of a prior civilization.by swingboy 23d ago14 billion years and not a single piece of evidence of a prior civilization.toasty228 23d agoThe universe is vast, both in space and time. You would not detect anything from a past civilization that died a few millions of years ago in the closest solar system, which is really not that far in either time nor spaceswingboy 23d ago[flagged]