For this was the day about which there had been speculation—although far too little speculation and too little done about it because it seemed so distant and so improbable. This was the day that the human race had come into contact (or perhaps, collision) with an alien race. All the speculation, of course, had concerned an alien out of space, an alien on, or from, some other world in space. But here was the alien, not out of space, but time, or at least from behind a barrier in time.
