Activity for imallettâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Answer | — |
A: What to do with all the heat in a Dyson Sphere? First, a back-of-the-envelope calculation: power output of sun / surface area of sphere of radius 1 AU = 1368 W/m^2 You MUST radiate this much (on average) from every square meter of your sphere. MUST, as in, mathematical imperative. Under the (typical) assumption of a perfect Lambertian emitter,... (more) |
— | almost 8 years ago |