The Inverse Sphere
★★★★☆ 4.1 · 1635 reviews · SKU MW-80630
288,582,974.00 Altairian Dollars
In production — ships in 3 epochs
About this build
A topological impossibility made real through Magrathean engineering. The interior resembles an exterior; the exterior resembles an interior. Navigation requires philosophical training.
Specifications
| Climate | Perpetual Spring Temperate |
|---|---|
| Coastline Complexity | High bays and inlets (6.2 factor) |
| Delivery Estimate | Immediate (demonstration model) |
| Diameter | 7,259 km |
| Star System | Circumbinary system |
| Surface Gravity | 1.8g |
| Warranty Coverage | Lifetime atmospheric guarantee |
Customer reviews
Every system is over-engineered in the best way. You get reliability and precision. The trade-off is higher complexity.
My hollow planet is interesting to explore, but maintaining humidity in the interior caverns is more labor-intensive than expected.
The fjord system alone is worth the price of admission. Every inlet connects perfectly to create a hydrological marvel.
The five-ring system surrounding my world is absolutely mesmerizing. Every dawn reveals a new pattern of stellar light through the rings, and the ice shards create optical effects I never knew were possible. Customer service was responsive throughout the entire fabrication process.
Astonishing craftsmanship. The ringed world is visually spectacular. The physics are perfect and the aesthetics are breathtaking.
My world arrived in excellent condition with beautiful tidal features. One of my moons has a slight wobble, but Magrathea's warranty covered the adjustment at no extra cost. Very satisfied overall.