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I am writing a fan-fiction (thus the world that my story is set in is not mine though some modifications can be done in accordance to my story's timeline and setting in relation to the canon univer...
Researching a lot about fantasy, I've always had interest of mushroom humanoids, but I wanted to put my own twist on them. Instead of sentient mushrooms, I wanted to have a humanoid species infecte...
What kind of atmosphere would a planet need to alter the color of the sun and moon? I know this is rather broad, but I know that a certain gas in our atmosphere colors the sky blue, and gives the s...
Some Context I watched a generic Da-Vinci-Code-like french movie that, in a certain point, featured a secret society trying to find an item of great value that was lost in a vault built centuries ...
I've recently became curious about the moon wide super organism on Pandora known to the natives as Eywa. Eywa is theorized by human scientists to be a superorganism of all living things on Pand...
Designing living creatures is hard, so I came up with a generalized idea to speed up the process in the future: Biological padding is a spongy structure made of spider silk and filled with either ...
For story purposes, I am building a world where all life exists on the moon of a non-habitable planet (the moon is not tidally locked). How can I explain this in a convincing and mostly scientific ...
It's common in sci-fi for large medieval-esque populations of humans living in the ruins of a former technologically advanced civilisation. My story is one of these, with a large population of huma...
Continuation question from this: The Biology behind a slime that uses hydrofluoric acid to disable and digest prey. I've designed a slime that has a bunch of acids and non reactive polymers in its...
In my fantasy world, there has been a longstanding presence of underwater civilizations, both alongside and independent of surface-based kingdoms. In the style of Tolkien's Beleriand, various conti...
Basically what would be the long term effect on the health of ecosystem of a lake if tons of powdered silver is mixed into a lake? This question comes from a hypothetical situation where a lake ha...
BACKGROUND A corruption has seized hold of the land, turning great swathes of it into a poisonous waste that humans may only enter at their peril. Perhaps all who enter the waste grow sick or go m...
Many factors in history have contributed to society's taking a long time to accept the heliocentric (= the Earth orbits the Sun) model: the first that come to mind immediately are religion and, mor...
While the reasons for it's existence do not matter as it is part of an artificially created planet, I am curious if a lapis lazuli island would be able to survive erosion and support Earth-like lif...
I'm working on a story set in a planet of permanent dusk/dawn, and with a dark side that never sees the light of sun. I know that a planet tidally locked to its star would (roughly) look like this,...
Let's say an isolated colony is established in an ideal environment with the goal of growing the inhabited human population as quickly as possible. Health care is provided for them by managers, or ...
QUESTION I was thinking about ways of justifying practical balloon flight for a pre-industrial civilization, when I remembered that some microorganisms produce methane, and better yet, hydrogen. ...
Question If a ship went through an asteroid belt where the asteroids are mostly ice, could the ice in any way transfer onto the ship and give it coatings of ice in various places, or would there b...
This question is meant as a reality check on this answer to The land grows evil and corrupted ... but why? Radioactive moon in a nearly geosynchronous orbit. It slowly kills or alters all li...
Humans like to explore and seem to have an almost instinctual need to expand. After spreading throughout the solar system and even into the Oort Cloud they decided that humanity should follow the r...
Let us assume we have a rocky planet by the name of Pyros orbiting a single star, the Star of Random. It has an atmosphere consisting of 77% methane, 21% oxygen, 1% water vapor, and 1% other gases...
I'm trying to design a world in the Alcyone A system of the Pleiades. Alcyone A consists of three stars. The main star is 3.4-3.8 solar masses. There is a very low mass star < 15 million miles ...
Assume I have someone who doesn't age, and has a lot of time to learn any skill or experiment with things, but who was born and raised (prior to becoming ageless) in a medieval farming village. He...
I am creating a history for my galactic civilization, and was thinking that the first colonization ship might be launched around the year 2200. World War Three Just a few years from now, a third ...
I just thought of something. Carnivorous and dangerous monsters are often depicted as common and dangerous enemies in fantasy, especially things like RPGs, but in real life herbivores far outnumber...
