Activity for Caïn
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Would this positron reactor work? [WARNING] Approximate physics incoming A few months ago I was looking for a way to get to Gliese 581 within 100 years. So I've been reading a lot from Wikipedia and other sites about different propulsion devices. Then I found an wonderful article from NASA about the antimatter propulsion and more pr... (more) |
— | almost 8 years ago |
| Question | — |
How could the sky be orange in a breathable atmosphere? I've discovered some ways of coloring the atmosphere through personal research: The atmosphere could be colored by particles or colored gases (as on Mars, unless I'm wrong) The atmosphere could be more dense to refract more colors. The Sun itself could in fact beam a less "colorful" light. But I ... (more) |
— | almost 8 years ago |