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Space certainly gives us humans plenty to think about, and the question of what lies beyond our solar system is still awaiting a full answer. This year, the revived series “Cosmos” had us scratching our heads as we contemplated the abyss, and even with the laws of physics greatly simplified, the universe is still too big for our primitive brains to grasp. Now comes director Christopher Nolan’s thinking person’s space movie “Interstellar,” and with it, a renewed interest in the possibilities of “out there.”

An opening scene of a movie is like a cinematic thermometer. You take a movie’s temperature by that first scene. It holds you, intrigues you, grabs you — or it doesn’t. Though it’s true that plenty of great movies take their time building up our involvement, obviously they can’t take too long. Then there are those others that start off with a bang. It’s this latter group we’re celebrating today. Here are fifteen of our favorite movie openers, covering seven decades of filmmaking: