INTERLUDEWhen necessity dictates a course of action and the course of action proves valuable, it is but a short step to the inclusion of the answer into the many facets of modern technical civilization. Thus it was that not many months after Venus Equilateral successfully established planet-to-ship communications with the “Empress of Kolain” that all course constants were delivered to the relay station and thereafter messages were transmitted as a part of the regular business of Interplanetary Communications.
This, of course, offered another problem. Ships in space were in the position of being able to catch messages but were not able to answer back. It would take, perhaps, another emergency to set up conditions which demanded the reverse of the problem of contacting a ship in space.
But
