Activity for TotallyTomatoesâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
How many spaceships would it take to block the Sun from the daylight side of the Earth? Think of a giant hemispherical shell, constructed of spaceships, sitting just far enough from Earth to be too far for Earth-based defences and close enough to effectively cast a shadow on the entire daylight side of the Earth. Assume the ships are constructable with current physics; they can be most... (more) |
— | over 8 years ago |