Activity for John Watmuffâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
What would happen to landfills if abandoned for many years? So it's plausible that any planetary civilizations (alien or human) may have landfills. It is also natural to think that many planetary civilizations would die out, or migrate away from a planet. So in the event that a planet is abandoned, what would happen to landfills (if left alone) for: 1000 ye... (more) |
— | almost 7 years ago |
| Question | — |
Racing Around the Edge of a Black Hole I am trying to understand the physics of an interstellar race. Say two ships are racing past a black hole as if it were a corner on a race track. One of the ships takes a hard line and comes very close to the black hole. The other ship takes a weak line, and does not get very close to the black hole... (more) |
— | about 9 years ago |