I had a thought...maybe the Constellation used to be a Saladin class ship, you know, with a single warp nacelle in place of the secondary hull.
This idea will be promptly snapped up and added to the books as the official story. Stranger things have happened.
My father attended Tufts University and wrote a story for a student publication back then. In his story, he described a student crossing the campus and noting the elephant statue (which I believe is no longer there). The fictional student also noted a penny balanced in the up-raised trunk, a good luck / wishing well tradition on campus—according to the story. Yet no such tradition existed. By the time my brothers attended Tufts, the penny-in-the-trunk "tradition" was well known and practiced.
(The story was about a student who breaks into a professor's office and steals a test. The details in the story, including the type of locks on the doors and filing cabinet, were so well researched that the elephant tradition was not the only
thing taken seriously. The admins called my dad onto the carpet to ask him about this story, and certain exams were delayed while new tests were written.)