Activity for fantasia‭

Type	On...	Excerpt	Status	Date
Question	—	Apparent magnitude of my moon as seen from the planet's surface Setting: we have a fantasy world which is a planet with much of the same conditions that can be seen on Earth, but with the difference that it is orbited by a moon with a mean diameter of 3 500 km. The moon has an albedo of 0.12 and its distance from our planet is 20 000 km at perigee. The moon/plan... (more)	—	almost 9 years ago
Question	—	A world with a moon orbiting much closer than ours The world I am envisioning is a rocky planet with oceans, plate tectonics, atmosphere, and several other similarities to our globe. The mass and size is roughly equal, but its moon is orbiting much closer around it than our moon revolves around Earth. For the sake of clarity: the moon has roughly the... (more)	—	almost 9 years ago