Admit it: You've looked up at the sky and pondered the immense power of stuff in space. Those tiny twinkling stars are actually burning masses of nuclear fusion. Those shooting stars are potentially city-destroying meteorites. But what about the moon, which seems so cold and vulnerable up there. What would happen if an asteroid smacked into it? And more importantly, what would that mean for us humans on earth? In this episode of Ask Us Anything, we explore what's possible, and what's. . . not so possible.