Activity for Robert K. Bellâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
What would be the atmospheric pressure gradient in an open pit reaching to the centre of the moon? Inspired by this question, what would the pressure stabilize at over tens of thousands of years (at the moon's centre, surface, and any other interesting points) if you created a structurally stable pit (built of unobtanium) reaching to the centre of the Moon, and filled it with the same gases found ... (more) |
— | almost 6 years ago |