"Look at the tilt," a voice whispered. It was Lyra, an astronomer who had spent her life mapping the forgotten physics of the ancients.

"Look at the tilt," a voice whispered. It was Lyra, an astronomer who had spent her life mapping the forgotten physics of the ancients. "The Earth’s current axial rotation is maintained by artificial stabilization satellites. They force us to face the sun in a way that keeps the poles suppressed, cold, and irrelevant. They want the heat concentrated at the equator, where the refineries are."

Elias traced the lines of the diagram. "The Polar System," he breathed.