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I may not have been paying as much attention as perhaps I could but I have the impression that, in fiction and reality, most civilian space habitats, whether ships or stations use a relatively thic...
I have this planet in my story that is similar to Earth in many ways. It is inhabited by humans, the flora and fauna are similar, the atmosphere is similar... except not quite. On Earth, the atmos...
YA fantasy novel set 350 years in the future under a corporate dictatorship which reanimates dead people to use as disposable slave soldiers. So the setup is a medical/research station orbiting a ...
In ion drive, we use ionized gas. With particle accelerators, we use high-energy particles. Given that colliders expend huge amounts of energy to propell a handful of particles, I speculate the par...
To add to my previous question. Can a black hole be a wormhole or can a wormhole exist within a black hole? The result I want to get is this: You enter a black hole in one part of space and exit ...
I'm working on a sci-fi Western scenario on a habitable desert planet along the lines of Tatooine from Star Wars and Arrakis from Dune. For it to be habitable there has to be water below the surfa...
I was thinking of different ways a wormhole could appear relatively close to our planet but even reading much about wormholes I can't think of any possible conditions. I need some theoretical or e...
In a world dominated by steppe, the warmest regions give way into parklands dominated by stands of Aspen. My research suggests that Aspen groves may tend to exclude other species of tree, but I am...
Right now merfolks are totally envious of us watching a live stream video of cat(fight) via WiFi or satellite internet, ok ok I get it's not the speed but its latency... Urrrr. Nevermind that I sin...
A Traveler from a very advanced civilization has visited the Solar system. He found the humans likable, and decided to leave them a boon. For some reason, he couldn't do anything directly to the Ea...
Once the technology is ready to reach and set up a base in Mars (perhaps 10 years if SpaceX expectations come true) could it be possible to build a route among the asteroids to reach Jupiter's moon...
A habitable (human could survive in its atmosphere without suits) desert planet which used to have large oceans is quite common in ScFi. I was thinking about the processes which could have been res...
In a comment to a recent question, it was pointed out that Biosphere II failed in part because too much CO2 was absorbed by the concrete, leaving insufficient oxygen in available CO2 to be released...
In my answer to another question, I suggested that the Super-Earth in question be tidally locked to its host star for a period of time while part of its surface experienced a bombardment. After tha...
In the stone-age world that I am building, I don't just want one-dimensional characters who are either hunters or gatherers. I want a great quantity of people including those who would have become ...
A spaceship flew across an unclassified region of the Milky Way galaxy and found a Super Earth in an unnamed system. The planet is almost twice as massive as Earth and is orbiting fairly far away ...
How do I figure out the temperatures of certain latitudes on a planet with factors such as sunlight and the emission of heat and energy from a planet's interior? Assume the planet is smaller than E...
Vampires don't die from old age; They aren't born, and all vampires were humans at some point in their life. After being bitten, a human can turn into a vampire (although the chance is very low, o...
"Tree" is (apparently) not a very well defined term as far as scientific classifications are concerned, so I'll put my own restrictions on it for this question: Typical healthy adult specimens mu...
I would like to have an Earth-like planet (~Earth gravity, ~Earth day, ~Earth year, and liquid water oceans) with extreme variance in its tides. I want the lowest tide to reveal about 30 miles of f...
Here is the scenario: A Paleo/Mesozoic mass extinction wiped out 96% of all terrestrial species, and the only plants that survived were as follows: One genus of conifer One genus of cycad One ge...
Can we increase life expectancy by replacing important organs for life such as the heart, kidneys, young blood, etc. (but not the brain)? Most organs can fail and, for the ones which we already hav...
What would be the likelihood of an asteroid developing a thin layer of gas? If an asteroid is capable of having an "atmosphere", then how likely would be be for primitive plant life, such as a moss...
There was once 12 kingdoms in the ancient days until the kingdom of Eo was devoured by the very forests it called home. The people of Eo have been turned into beasts wandering the woods and preying...
Please note: This has no relation to any real persons on this site or elsewhere and should not be taken to be such. In my world there is a human nomadic desert tribe. They have a long-standing cus...
