The circular-shaped megastructure was revolving around the star.
This megastructure, which was similar to the circular world but had completely different functions, had an effect.
The naked eye could not see what was happening in this space, but in fact, in the observation stations of various civilizations, this galaxy had already disappeared from the star map.
It was as if the entire galaxy was covered by a huge curtain, and no signal could be received.
This was the effect of the megastructure that the ancient Voyagers had built here:
[ Arena (Superluminal Interruptor) ]