Probes outside the affected area cannot detect it. The border or horizon emits no light, gravity, or particles. Probes that cross the border go silent and are lost.
Without the ability to observe it or probe it directly, we are left to speculate on the anomalous region.
Fortunately, we sit in a room full of professional speculators.
Oooh! Panel discussion!
Get out your hip-boots boys and girl. The B.S. is gonna get deep.
I'm happy to be hovering right now.