Starbase Franklin
The centerpiece of the latest Star Trek film is a bright celestial bauble, a tremendous re-imagining of a Federation starbase, named Yorktown.
Yorktown is on the scale of a Death Star, but instead of incinerating worlds it is presumably dedicated to a lot of peace-mongering bureaucracy and some very nice apartment buildings. To quote Memory Alpha, "Yorktown's structure consisted of a matrix of city-sized interlocking rings and radiating arms enclosed in a spherical translucent surface; Enterprise doctor Leonard McCoy likened it to a giant 'snow globe' in space." At the center of it all the…