Activity for Platypus
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Is Earth-like habitable planet with erratic climate possible? The conclusion of my question Is it possible to have a planet unsuitable for agriculture? was that the most plausible reason for preventing agriculture from developing (beside nomadic herding) was having arid planet with erratic rainfall. Is arid planet where climate is very unpredictable possible?... (more) |
— | about 8 years ago |
| Question | — |
Creating realistic world - star cluster? I want to have a star cluster of main-sequence stars (yellow dwarfs [like our sun], orange, and red dwarfs) that are on a distance of 1-2 light years between each other, so interstellar travel is possible even with sub light speed. The cluster should be far enough from e galaxy core, beside that I d... (more) |
— | about 8 years ago |
| Question | — |
How to design Hobbit to colonize extreme planet? A Weyland-Yutani like conglomerate wants to colonize exoplanet in the habitable zone of the orange dwarf 0.75 M of the Sun. The planet has 2 X Earth diameter 3g surface gravity atmosphere 92% Nitrogen, 8% Oxygen 3 X Earth atmospheric pressure 45 degrees axial tilt, Temperature varies between -70... (more) |
— | about 8 years ago |