 Approximately how long was Stinson on the planet before he decided it was home?
He touched the pencil-line scar behind his ear where the cylinder was buried, marveling at the power stored there, power to fling him from earth to this fourth planet of the Centaurian system in an instant. It had happened so fast that he could almost feel the warm, humid Missouri air, though he was light years from Missouri. Weather control made cyclones and other climatic phenomena on earth practically non-existent. He was here and Earth was somewhere up there. He was here to investigate, to determine if this planet was capable of supporting life. And this is contrary to the greatest law of all—that an entity, once in existence, can never cease to exist."
 24 hours
 12 hours  24 hours  36 hours  48 hours