DON’T ASK,” THE LEADER exclaimed. “I’ll tell our entire story so that you’ll have no occasion to annoy us with your questions.
“We’re Venerians,” he began, “inhabitants of the planet you call Venus. For ages our world has been overcrowded. A short time ago, the conditions became so acute that something had to be done. It was suggested that we seek another habitable planet to which our people could migrate.
“Your Earth was thought to be the world with physical conditions most closely resembling those of Acor, or Venus. Our scientists set to work immediately, using forces and devices with which you are totally unfamiliar, and constructed several missiles which they hurled at Earth. These missiles, spherical masses closely resembling meteors, were set to explode after a certain period of co
