Activity for Professor_Hooverâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Could a moon or planet exist with "puddles" of breathable air in deep craters? Could a moon or planet with otherwise no atmosphere maintain gas pockets in sufficiently deep craters, and could it be habitable by humans without pressure or space suits? I found this similar question Would oxygen pool in sink holes if the upper atmosphere was helium, hydrogen and methane? but it f... (more) |
— | over 6 years ago |