UFOlogy

In our increasingly worldaround world, it is a rare, if not obsolete, occurrence for two wildly disparate and equally sophisticated cultures to meet for the first time. That's probably for the best, of course, because when it did happen in spades, during the centuries on Earth before instantaneous global communication, all bets were off, and what went down was almost always marked with catastrophe (as with the indigenous people of North America) or powderkeg-and-a-match mutual distrust (as with the first United States naval expeditions to Japan in the 1850s, a cultural collision that is…