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Solid Core Nuclear Thermal rocketry has existed for a while and I was thinking about using it as the primary propulsion in my setting. Now most Solid Core rockets still have fairly long transit tim...
Could a untethered blimp be built strong enough to with stand a thunderstorm? Could wind generators be placed on it to transfer turbulence of shifting wind into wind power? Rain could be collected...
So I was thinking of using the asteroid Vesta as one of the many asteroid colonies in my future solar system. Is it a viable candidate or is there any "problems" with it. The colony would be made o...
So, I'm writing about the siege of an asteroid base. This asteroid is near the outer edge an asteroid belt at the solar radiation equivalent of Saturn's orbit from its star (although the raw distan...
In short I'm looking at creating an artificial sperm smart enough to fertilize an egg and develop into an embryo, so that would mean the sperm must have some means of carrying information similar t...
To clarify on the title, K-type main-sequence stars--shortened as "orange dwarves"--are subjects of excitement for astronomers and astrobiologists. Why? They emit enough radiation to provide a...
Okay so I get that for flexibility I need no bones. My octopeople do live on land so they do have lungs. But they are more amphibious than we are. So here is my proposed life cycle: Pregnant octo...
So there are loads of things that are taken into account with weather from geology to water currents to axial tilt etc. But i am wondering what the effects would be on weather on planets with varyi...
Is there some astronomical / physics reason why it would (or would not) be realistic to have more than one "larger-than-Earth-moon" object in an alien sky as backdrop to a movie or tv show? In oth...
I am trying to figure out what kind of liquid, if any, can be used to severely impede or slow human motion without killing or severely damaging their bodies (IE if after being submerged in this liq...
Piggybacking on this question: Can you simply scale up animals? how CAN we scale up living creatures to be giant sized? What would need to done to make truly giant animals (Dragons, Kong, Godzilla,...
Imagine that, in a thousand years, the star system of Proxima centauri has a planet located in its goldilocks zone that has been terraformed by earthling settlers. We do not really know what the b...
(This question goes more in depth from a previous question.) Imagine This: The "Black Box" is a mind vault for a few humans who created it, the humans wanting to survive a nuclear war happening...
Imagine life evolving on a planet. First creatures crawl out of the ocean and start colonizing the land. Then one of the species gets into such conditions where it needs to specialize in two differ...
CONTEXT/EVOLUTIONARY HISTORY A book that I'm currently writing called Surge features an enemy faction called the Degenerates that are heavily inspired by the Scythians (Indo-Iranian horse nomads t...
Could a human be genetically engineered to produce a less fatal form of the Brazilian Wandering Spider's Venom? I have been told that many things that insects can do do not function in humans for v...
In my fantasy pre-industrial world pollen production and plant reproduction has been disabled by some sort of curse. The curse has a limited geographical span, but the region affected is very larg...
I know next to nothing about astrophysics, but I've read a few Wikipedia articles, and it seems like a "normal" kind of binary system includes two stars of similar mass orbiting a common center. I...
I'm writing a medieval/post apocalypse world stricken with horrible dust storms that last days or weeks at a time. Would it be possible, using medieval technology, to: protect yourself from such...
EDIT: There were some great answers here, and I realize this is a kinda broad question, but I'm accepting Monty Wild answer as it provided me with the info I needed to push this forward. Now I have...
Is there a scientifically plausible way for a habitable world to have a sun that undergoes a regular, dramatic, and easily observable change? One comparable in visual impact to an event like a sola...
On a tidally locked Earth-like planet a big part of long distance air routes would have to approach the hurricane eye and some may even benefit from it. On Earth aircraft are able to save time and...
What kinds of abstract colors, shapes, and other compositional elements could be used to indicate various emotions? My story features an artificial intelligence that's embodied in an industrial pr...
Through a short amount of research it seems most blood is cleaned in the liver and most toxins are neutralized before being passed into urine or the bowels. If this is how most toxins are excreted ...
I'm curious what it would take to get a planet with so much free fluorine that you can have an atmosphere of predominantly or purely fluorine. I realize how improbable a planet like this is, so I'm...
