«But that would be an extraordinary coincidence, if that happened so recently, only a few millennia before humans developed the tech to loft a telescope into space. That’s a narrow band of time, cosmically speaking.<p>After all, this light pattern doesn’t show up anywhere else, across 150,000 stars. We know that something strange is going on out there.»<p>It would also be an extraordinary coincidence if we find another planet with life on it, so quickly after humans started to look for it. 150&#x27;000 stars is a narrow band of universe, cosmically speaking.