Ostensibly I like your definition of Ostensibly.
But how can you tell the difference between a strange collection of space-going Habitats and not so strange collection of space-going Habitats. The normal is pretty strange. As is using pretty as adjective for strange.
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I think a not-so-strange collection would look as though it were always intended to be joined together, and not simply strung with connecting cables and tubes like a haphazard macrame or dream-catcher.
Maybe later, when the bridge connectors are in place, and the mountains of dry ice and frozen ammonia are wedged in position, but that will take thousands of years — oh, did I say that out loud?