Activity for A good username
Type | On... | Excerpt | Status | Date |
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Question | — |
Would this type of atmosphere be suitable for human life? I've been trying to create a Earth-like planet but I'm not sure if my planet's atmosphere is breathable. (It's mostly the amount of helium I'm worried about). I've tried to make it Earth-like while making it alien with respect to Earth's atmosphere. Here are the atmosphere's numbers: atmospheric pre... (more) |
— | over 6 years ago |