> in comparison to the distances that exist
This leaves out the time component. Who's to say that a year is long? A galaxy a million light years away takes a million years to reach... and maybe that's a short amount of time, to the right observer.
This leaves out the time component. Who's to say that a year is long? A galaxy a million light years away takes a million years to reach... and maybe that's a short amount of time, to the right observer.
Tangentially, I've long wondered about sci fi like Star Trek. Namely, even with FTL, how large can your interplanetary alliance be? How far away can the parliament be? Over what distances can you defend against common enemies? Trade? Culturally exchange ideas?