Activity for Jazâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Likely orbital period of a moon around an earth-like planet In creating a calendar for a fictional world I'm considering the phases of the moon. I understand our moon has an orbital period of approx. 28 days. Is there room for variation if the planet and the moon are similar to ours? Does the distance from the planet govern the speed of the moon's orbit? Wou... (more) |
— | about 9 years ago |
| Question | — |
Are moons always the same colour? When viewed from their planet, are moons always the same colour as ours? Or is there a variation? What other colours might be possible and what causes the differences in colour? (more) |
— | over 9 years ago |
| Question | — |
Can a planet's moon rise at the same time every night? Is it possible for a planet's moon to always rise at the same time of the night? And in this way be used as a timekeeping device? What if there are two moons? (more) |
— | over 9 years ago |