It is the one undefiable, continuous force in the universe that is felt by every last particle within the larger particles that make up the universe.
Space is separation, loneliness is separation, and distance is separation.
Since the universe exists in terms of dimensions which are measured as distance, all things can be said to be truly separate. A few nebular systems later, the group of space-bound college students had successfully eluded their pursuers. But their troubles where only at a beginning. The fighter ship can actually break into five separate parts for battle. Two minutes later, in the void of space, the sleek fighter ship could be seen separating.