Are dead worlds a good galactic barrier?
In my fictional universe there are two galactic civilizations that have never interacted until recently and thus have developed different cultures, science, etc.
From a technological standpoint, one of the civilizations is similar to Halo's UNSC and is on the "Right" side of the map while the other is similar to star wars and is "Left" on a map.
Both have faster-than-light travel, but the left side of the galaxy has more advanced ones.
What prevented them from ever interacting is a "natural" barrier of dead worlds making the trips longer and more risky with the lack of any ports/refuelling stations.
There was never a unified galactic government that just split and forgot the other.
And these dead worlds have no possibility to hold life at all.
So my question is: would the dead world divide realistically stop the two civilizations from ever meeting just enough so that two galactic civilizations develop differently?
This post was sourced from https://worldbuilding.stackexchange.com/q/157911. It is licensed under CC BY-SA 4.0.
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