[Vermont Lt]

It’s a light house. Used for celestial navigation. Duh.

[Ransomed]

Or someone noticed us like squirrels in the attic and called the galactic exterminator service.

I read a story once where the aliens were shocked we had made up all these complicated theories to explain how things like pulsars were naturally occuring when they were obviously artificial beacons letting everyone know they weren’t alone.

Freegards