******SAUCER-SHAPED SPOILERS!****** Growing up in the 1970s, UFOs (as they were called then) were wildly popular. I watched alien visitation/invasion movies, such as “The War of the Worlds” (1953), “Earth vs. the Flying Saucers” (1956), and “Invaders from Mars” (1953)–that last one really scared the hell out of me watching it alone on late-night TV…