>>there, now we just need an equally ridiculous but completely
>>unrelated explanation for why there's a planet named "Core" in the
>>"Fedora" system.
>
>In the parlance of the twelfth-century Royal Salusian Astrographic
>Society, the "Core" world of a colonized star system was the first one
>to be settled, or the one with the most populous settlements after the
>colony passed its century mark (these were almost always the same).
>By the twenty-fifth century, it's an archaic usage (and it comes
>across a little odd in Anglo-Standard translation), but it still
>persists in many places—in much the same way that nowadays we
>still call a lot of terrestrial places by names with the suffix "-ia",
>a convention that goes back to the Romans.

As seen by the Enterprise (NCC-1701-D) at Galorndon Core.