When the Universe was not so out of whack as it is today, and all the stars were lined up in their proper places, so you could easily count them from left to right, or top to bottom, and the larger and bluer ones were set apart, and the smaller, yellowing types pushed off to the corners as bodies of a lower grade, when there was not a speck of dust to be found in outer space, nor any nebular debris-in those good old days it was the custom for constructors, once they had received their Diploma of Perpetual Omnipotence with distinction, to sally forth ofttimes and bring to distant lands the benefit of their expertise.