They kept the discovery quiet at first, running simulations and comparing data from Apollo-era seismometers. The old readings told the same story: every major impact since 1969 had produced the same resonance pattern. The Moon was not only hollow—it had internal chambers. Vast ones. Our-mysterious-spaceship-moon-by-don-wilson-pdf
Elara wept inside her helmet. Not from fear, but from the sudden, vertiginous understanding that humanity had never been alone—and had never been the主人 of its own sky. The Moon was not only hollow—it had internal chambers
Elara was chosen to lead the first descent. As her capsule dropped through the borehole and into the cavern, her helmet lights illuminated a landscape of impossible engineering: arching ribs of a metal no spectrometer could identify, vast conduits pulsing with residual energy, and at the cavern’s center—a dais. On it rested a single object: a translucent sphere the size of a fist, glowing with captured starlight.
