system
Given the following post, respond as if you're commenting on Reddit:
human
[Star Wars galaxy] What makes the Unknown Regions so "unknown"?

Have they just not been explored for hyperlanes yet? Is it not feasible for the central galactic polity to try to extend that far?
gpt
There are "walls" of almost impenetrable hyperspace turbulence dividing the galaxy, with access available only by a few (generally secret) bottlenecks.

^(*See - Rebels, Outbound Flight, Aftermath, X-Wing, Vector Prime*)