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I'm building an alien world for an artistic project. The world circles an m-dwarf star, and so the flora have evolved to photosynthesize longer wavelengths of light than on Earth, primarily in the ...
If there were a group of primates very similar to humans, and they had vomeronasal organs, what should the sensitivity or accuracy of such organs be? The race has a lengthened face to accommodate ...
I am making a science fiction computer game where you can travel between planets. I would like the planets all to have some kind of differing materials. Now I have no idea about which kind of "mate...
In my story, the AI on a space ship has been corrupted, causing it to try to kill all living occupants. The ship is on a collision course with a planet, and the main controls are inoperable due t...
The Serval is a fairly muscular, dog sized African wild cat. While doing research on them for other worldbuilding purposes, I began to think that these animals could make great hunting pets, if t...
Consider a post-Apocalyptic society of collective farmers that has access to a waning supply of modern farm supplies, a small, independent power grid, and a enough knowledge to keep themselves fed ...
QUESTION Other questions have covered what the physical structure of a humanoid giant might look like. Assuming that anatomically modern humans (or something close) were dispersed into several dis...
Imagine a planet - henceforth Planet X - that is orbiting very close to a black hole. The space-time distortion will be very high there and according to the theory of relativity, the time there wil...
QUESTION It's been established that one could invent microscopes early with a magnification of up to 1500x. It occurred to me, though I really know nothing about this, that putting metals under a...
1 degree of latitude = 96.57 km. Equirectangular projections. (Yes, I need to revise the polar regions to make sure they don't get squished.) Obliquity of Jasmi: +31.1 degrees. Radius of Jasm...
So I have this intelligent alien race of detritivores and I was wondering if it would be more practical for them to be a farming society or a hunter-gatherer society. I don't know if this is very ...
I sometimes think about the arrogant dwarf starsmiths in the question. How to blow up a star by accident? I pose the question in the voice of the dwarf, probably because I am hungry for down votes...
So in my world I've got a mostly human like species but they've evolved to camouflage, specifically colour change. The world is an earth-like medieval fantasy. The different parts that appear to ch...
I'm writing a science fiction story based on: turning Jupiter into a star. colliding Callisto and/or Io into Ganymede to increase mass and changing the orbit to provide warmth, atmosphere, and r...
I need to heat my planet and I've decided that the two most plausible and controllable ways to do so are by increasing the amount of bombardment by meteoroids from a nearby asteroid belt, and by ti...
Still working on that world with with a 93% ocean covering. My star Xat is 1.71 LSol, and my planet Jasmi orbits at 2.14 AU. I've been warned that the resulting apparent brightness of about 37% Sol...
BACKGROUND The world I'm designing currently has a gas giant of the type known as a hot Jupiter orbiting close to the sun and causing solar flares. I would like the inhabitants of my Earth-like wo...
I was wondering what would happen if you dug to the center of the earth. Would you get stuck in an infinite gravitational pull loop, or would you just simply get torn in between the two pulls? Yes,...
Can a humanoid that doesn't have ribs but instead has solid bone plates function properly ? Imagine plates starting from upper trapezius to the lower back and the obliques but leaving open the bell...
So I have been doing a lot of reading on space elevators/tethers for a SciFi book I am writing and unfortunately there doesn't seem to be a whole lot of info on building one on Mars rather than Ear...
This question is inspired by salmon swimming up waterfalls. I am aware that it is an entirely different thing, but I felt that it was worth mentioning in understanding the question. "What would ne...
The Parachute Cities fall endlessly, ploughing their way downwards through an infinite blue sky. The Big Blue is a universe of sorts. It certainly has no bottom, but it does have a concept of "˜do...
I thought that a large, close moon might help generate enough heat and stress to raise the average temperature on my world and stave off a Snowball Earth scenario. According to this article and thi...
Sci-fi setting where cargo is being shipped to colony worlds. If a spaceship has to land and take off again, that costs a lot of money, so that mode of transport is reserved for people and urgent, ...
So I would like a coloured sky in my world, but I want it to be plausible. I'm not so good at science and the like but I've been doing a lot of research. If crystal-like asteroids filled with col...
