Not necessarily. These could very well be a fleet of self-replicating “unmanned” drones that were sent on a mission to explore the galaxy millions of years ago.

Not necessarily. These could very well be a fleet of self-replicating “unmanned” drones that were sent on a mission to explore the galaxy millions of years ago. Heck, our own civilization likely isn’t all that far off (relatively speaking) from being able to do the same thing