Martin shrugged. “Data tells an interesting story. But stripped of its context, what does it mean? There are no absolute frames of reference, Lucky. The enemy’s gate is down, the outside of this ring is outer space. The star inside is invisible and Earth is long dead. Fall into a black hole and maybe you’ll watch the future history of the universe flash before your eyes. Maybe I want to get a good look at the civilization living on the ring. Maybe I’m hoping for some observations to make sense of what I’ve seen.”