Astounding Stories #177

A teenage girl forms an unlikely bond with a mysterious man who appears after a meteor strikes near her town. He claims to see glimpses of the future, sharing quiet warnings that feel too real to ignore. When she brings the townspeople to find him, he’s vanished—leaving behind only the truth that he was never from Earth, but waiting for a rescue that may never come.

In "The Ganymede Enigma," a wealthy industrialist ventures to Jupiter’s moon Ganymede in his custom-built vessel, seeking solitude and adventure beyond Earth. What he discovers instead are human-like robots laboring in silence under the unseen rule of the Jupiterians—raising questions about who truly controls the moon and what secrets lie beneath its frozen surface.