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Would it be possible to have a giant velvet worm? Not huge but big, like the size of a small dog, 20 kilograms?
My superhero generates a force field which lets him and his equipment sustain the extreme conditions found inside the Earth. He decides to travel from the Geographic North Pole to the Geographic So...
Let's start with a little backstory--our planet underwent an impact-coalescence cycle only once, 4.5 billion years ago, when a Mars-sized object named Theia destroyed the infant Earth in a glancing...
In relation to a recent question of mine, this alternate Earth still has its core consisting of 84% iron, but the other 16% contains the greatest concentrations of all known species of heavy metals...
You know how there are some beaches in the world where tons of sea glass or other random sea trash washes up, just because the currents and the shape of the land naturally collects it all there? I ...
In my fictional world, we have our John Doe (main character), an ordinary man who happens to be given a drug in the initial stage of testing that gives the user super-human immunity to biological v...
Excerpt from the great Dalian Holy Book "The Dark God, the Tayan, was first formed when the gods above sent a curse down to the surface, to remind our people of our dependence on our gods. If the ...
Essentially, I'm designing a solar system for form of alien life. For the sake of ease, the star is roughly similar to the Sun, and the habitable planet follows an orbit anywhere between Earth and ...
Scansoriopterygidae was a family of theropod dinosaurs that lived during the Jurassic, the most well-known member of which was Yi Qi. They are thought to have been arboreal insectivores, and conver...
In my book series (link here), there is a star system at the northern edge of the galaxy called the Ryu system. I am planning for this star system to be huge, encompassing 120 planets. The vast m...
Without tidal locking, would it be possible to have a planet with a region roughly the shape and size of the USA and Canada in which it is always "day"? (By day I mean at least as bright as a clear...
I would like to know if a very advanced civilisation could rule an entire galaxy without mastering teleportation or any other method that allows traveling faster than light (unless you give mathema...
Setting In a tropical shore, where a great river empties into the sea, there is a zone of very high tides. The water level rises and falls by meters every day. In this challenging ecosystem, alter...
A while ago, I asked a bunch of questions about my alternate Earth timeline, which contains plausible fantasy creatures. One of the concepts I've devised more recently is a solution for mermaids (M...
The Bay of Fundy sees the world's highest tides, with ocean water advancing and withdrawing as much as 20 meters or more within a single day. Here is a list of the 50 tidal stations around the wo...
There are numerous programs and resources that can be used to ascertain pretty exactly the average temperature and general climate of a region. But is there any way to get a quantitative estimatio...
I was looking into the Dobles of years past after watching videos of Jay Leno's Doble E-20 and was trying to imagine how one could make the steam car a viable competitor to EVs and obviously one of...
My planet is very Earth-like with a day length of 26.87h. The moon has a radius of about 1550km, a mass of $5.2\times10^{22}$ kg and orbit 45500 km from the center of planet. My scenario is that t...
Giant dome concepts are beautiful, but I can't help but wonder how they could be so fragile. If there is even the tiniest rip, the whole thing would rapidly decompress. How would you protect agains...
A planet was terraformed in humanity's distant past by technologically superior beings. The planet is very similar to Earth. I understand blue stars are highly radioactive and thus don't have real ...
I saw this question here: Can I have wind turbines on my base? and someone else asked about how the planet can have 60-100mph winds without very much sunlight to cause the energy differential, to w...
Night/Day Cycle I'm trying to make a fantasy world with a longer night cycle than day. With the advice of Renan, 12 hours of proper night, 4 hours of near/partial dark and 8 hours of good light....
I'm trying to make a trinary star system but I'm not sure how it would work. The primary star is an M0Ve star (red dwarf flare star). The orbits of the other two stars are slightly more complicated...
In my world there are two planets within the same solar system, which are connected approximately every seven cycles through a portal that opens for a few days. The planets are very similar. The ...
This is my first time using this site and i'm excited to get answers to roadblocks that have prevented me from finishing my writing in the past. However, you may have to excuse some mistakes I make...
