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What kind of destruction would it cause? I'm assuming it'd be rather significant, could it shatter a tectonic plate? The crust? How would the oceans fare? Would the planet be able to catch the proj...
My question is in the context of a fictional super-Neptune that lies in the habitable zone of its host star system. Giant planets only form beyond the Frost Line of their protoplanetary disk, and...
I'd like two medieval societies to be separated from one another by a huge vertical wall. The wall is so high that no-one has succeeded in shooting an arrow (or anything else) over it. It disappea...
Premise Inhabiting my earth-like world will be humanoid beings that have a skin tone that is as dark as Vantablack. Let's assume these human-like beings share the same ancestry as humans and we ca...
Let us pretend there is some "sacred city" created by gods, where gold is so common that it is the standard form of currency and everyone has lots of it. But once you try to leave the city with thi...
In a setting where portals can be opened between one location and another, Suppose you open a portal of area one square meter, with one end at the surface and the other end at the bottom of an oce...
In the Land of Metal, there exists a tribe that has upheld the gospel of Manowar with such zeal that it modified their bodies. Metalheads descend from humans, and may look human at a glance. A mor...
Before I continue, yes, green stars don't really exist visually. Although stars like the Sun are green stars, they appear white (and are known as yellow dwarfs) because it doesn't only emit green l...
As he neared the outskirts of the city the canyons of multi-storey buildings lined with coffee- and tea-houses gave way to the large squat shapes of factories, storage-halls and other industry. ...
Tidea is a moon with an atmosphere orbiting a giant planet. Due to that, tidal forces on Tidea are enormous. I'm working on trying to understand how would the climate be on Tidea. Relevant things...
A sentient species of water-dwelling aliens achieve space-flight. Their living quarters contain water [no free gases]. They have evolved over millions of years to regulate their buoyancy at will...
The outer layer of skin of a human is called the epidermis. It is supposed to be waterproof, however: Using any current science and substances, would it be possible for humans to survive for two m...
Okay, i need help here. I'm sure this question has been asked before and if it has, please refer me to it. But a story I have been working on for a while now revolves around the adventures of a col...
I recently came across a game called dead space and a certain main antagonist species inside of the game. In this game you play as the main character who is trying to protect humanity from sentient...
It is the near-future. Breakthrough, mass produced carbon nanotubes have been invented and are relatively cheap. These nanotubes have the properties that we would expect, and are manufactured in 'r...
Solarpunk, for those who are somehow unaware, is a subgenre similar to that of steam/cyberpunk that instead depicts a future running on advanced renewable energy-powered technology. It usually depi...
I would like to include a world in a story that is located on the upper plane (or bottom, doesn't matter, but call it upper for the sake of reference) of the galaxy. If you think of the galaxy as ...
Today I was thinking about how to make an elf who naturally grows blue hair. Thinking about this I came up with the idea of coloring the hair using microscopic eyes like with blue, green and gray e...
Instead of the whole egg laying parasitic vagina concept, which was the leading idea in the original question. Assuming the succubus is purely the whole woman like creature. Can she gain enough ...
One major problem with living underground is you lose all of that wonderful energy provided by the sun. This energy is useful for many things including growing plants for food. A window is effectiv...
In my stellar empire, the sapient life of the home world are arachnids. Due to an oxygen-heavy world with certain evolutionary characteristics, spider-like beings developed intelligence and formed ...
In the Land of Metal, there exists a tribe that has upheld the gospel of Manowar with such zeal that it modified their bodies. Metalheads descend from humans, and may look human at a glance. A mor...
Larry Niven defines a macro-life civilisation as one that lives in interstellar spacecraft, independent of planetary resources and culture, full time and by implication keeps moving. This could mea...
I'm writing a story where mars with its current atmosphere is inhabited entirely by women wearing the "spacesuit" with the following features: tight fitting, heated shirt, heated leggings, ful...
Atmospheric composition: | 2% Trace gases | 58% Nitrogen | 26% Oxygen | 11% Argon | 3% Carbon dioxide | Average surface temperature: 36 degrees Celsius Surface gravity: 1.36x Earth ...
