The migration was defeated as surely as the war, there being no place to migrate to.
One Pyramid came to Earth, only one. It shaved the crest off the highest mountain there was and squatted on it. An observer? A warden? Whatever it was, it stayed.
The sun grew too distant to be of use, and out of the old Moon, the Pyramid aliens built a new small sun in the sky—a five-year sun that burned out and was replaced, again and again and endlessly again.
It had been a fierce struggle against unbeatable odds on the part of the ten billion; and when the uselessness of struggle was demonstrated at last, many of the ten billion froze to death, and many of them starved, and nearly all of the rest had something frozen or starved out of them; and what was left, two centuries and more later, was more o
