Activity for Sean Raymondâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Answer | — |
A: About how many planets are plausible for this binary-star system? A simple way to think about this problem is simply in terms of which planetary orbits are stable in a given binary star system. Let's talk about S-type orbits, where a planet's orbit around its star is smaller than the mutual orbit of the two stars. There is an outer edge of stability: planet or... (more) |
— | almost 8 years ago |
| Answer | — |
A: Are geographically typed planets realistic? I think it is totally plausible for there to be planets with a single kind of terrain. For this to happen, the whole surface of the planet must be at roughly the same temperature (unless you're talking about a desert planet and allow different types of desert). This doesn't happen on Earth: the pole... (more) |
— | almost 8 years ago |