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The human race has colonized the solar system with permanent settlements on all of the inner planets and outposts beyond. Vast space stations pepper the voids between orbits and massive mining/ref...
In the story I'm working on, a rift in space time opened up between our world and a layer of oxygen in a gas giant at some point in the past. Eons earlier, a species of fish symbiotically linked wi...
A secret organization operating out of an undisclosed location for an undisclosed parent organizations have invented a "convince-me" ray gun (CMRG) that works by an unknown mechanism. After an ide...
I'm making a small game about travelling deep space on limited resources. One thing I'm interested in having is the idea that the craft is scavenging what it can from planets as it travels through ...
Astronomers place planet Earth under what they call a "Goldilocks Zone"--a spot in the solar system where conditions are ideal for liquid water to form, thus making the creation of life possible. ...
Some answers to this question about mining asteroids suggest that it is easier and cheaper, in the long run, to bring the asteroid to you: move it into orbit around the planet where you are already...
I was making a planet for a game and I was wondering how the world would be affected if it never had salt water, but instead a huge fresh water supply. Then I thought about what it might do to the ...
Tera C is a planet where the most intelligent beings are robots. Though some of them look extremely similar to each other, they all have a unique personality. Some are very serious and down-to-busi...
According to Wikipedia and this answer, the Moon is orbiting the Earth at a distance around 20 times greater than than the point where it would break up. As far as I can tell, that means in a ficti...
In 2053 a manned mission to the moon, using seismic sensors, discovers that it is not a natural satellite*. The moon is actually an egg of Vespula ludicrousmegagiganto. Note that the name is not ...
I know water is required for life on a planet so I got to thinking, is it possible for a world to be a functional planet (plants animals etc.) without polar ice caps and if so, how would it work wi...
The village background: It is located at an elevation of 2,119 m (about 6,952 feet) above sea level with a population of about 1,800. It has a continental climate with Oceanic influence. Summers ...
TL;DR: suggest human traits of mind/society that one should (a) tweak (b) leave well alone, in order to generate an alien worldview that allows a novel length tale to be told purely from perspectiv...
Radio Thinkers Creatures that communicate by biological radio pops up in science fiction occasionally and it's a fun idea. However, there are some practical concerns with regards to evolving a ra...
In some science fiction and fantasy settings (mostly fantasy) there are sometimes things like rock giants or rock golems. Basically, what I'm getting at is rocks forms with, sentience in some cases...
For those (readers) who have seen the blockbuster movie titled I, Robot (2004 film) there is a humanoid robot who prefers to be called Sonny: Clearly this implies that Sonny is different from the o...
Suppose there's an Earth-like planet. In the middle of the desert, a wizard/sorcerer/etc has enchanted a 30-mile-long rectangular area, so that, for two hours a night, clouds form and gently rain i...
Inspired by this article on Big Think: Genius or Crazy? Pangaea Reborn, how could humanity create a new Pangaea out of our planet? From what I remember of my earth science class, the amount of en...
Let's say there is a species of intelligent beings who are indistinguishable from humans in every way - except on average they can jump twice as high as the average human, based on Earth gravity. ...
Definition: Interlunar adjective Of or traveling between moons. I'm (as far as I can tell) inventing the term interlunar to describe travel between moons in a single planetary system. Travel b...
A recurring theme is how an artificial intelligence that was built with completely reasonable and positive goals instead does great harm to the world. However I'm now thinking about the reverse: A...
Now a solid body of rock will collapse itself to a round shape when it hits about 600 km in diameter (400 km for ice). Now, the Second Death Star is estimated to be between 160 and 900 km. How big ...
On a planet the same as Earth, with no other sapient creatures, how could a Pteropus evolve sapience?
Now I know that there are limits technically on size of plants as seen in this post, but what I want to know is what limits a plants speed? I'm guessing it has to do with the soil, but is that all...
Assume someone detonates a Hiroshima-sized nuclear bomb in space. Since in space there's no air, the bomb will behave differently than on Earth. In particular, there will not be an air pressure wav...
