Activity for Mary A. Gervasi
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
What would make a sky appear purple during the day? I'm thinking of making a world where the sky is purple, or at least perceived as purple by the native species taking centre stage in my story. What gases could cause this colour? Could the colour have anything to do with Rayleigh scattering? (more) |
— | over 9 years ago |