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Suppose we had an Earth-like planet based on Saturn's moon Iapetus. Iapetus has an equatorial ridge, 13 km high, which runs around it. Scaling that up to an Earth-sized planet, it would have a ridg...
Before we get into the question, I'd just like to say that this isn't specifically for Spider-man, but more of a general "character who moves around a lot and finds themselves upside-down quite oft...
Imagine a human observation and research facility being built on a planet in a distant solar system. How could an alien colony exist beneath the planet's surface, staying completely invisible to h...
Suppose you were puttering around the solar system and came across the remains of a luxury passenger vessel, the intergalactic equivalent of the Titanic, adrift about one AU from the sun. The hull ...
I have a species that is a descendant of modern humans, but containing superior bioengineered organs. One of these organs would be a small heart-like organ inside the head. This heart connects with...
Say an alien civilization came to Earth during the age of dinosaurs and picked up a few raptors to use militarily. With genetic modifications, the raptors have human-level intelligence while mainta...
So I'm writing a story and decided to use Hida Furukawa as the location. It has a high school with a field of 650 ft that theoretically could be used for a small aircraft to be use to take off. In ...
The situation I'm considering is as follows: A large research vessel with a crew of about 100-200 attempts to land on a potentially habitable planet, but something goes wrong during the descent. A...
In Warlords Europa is a semi-independent world who's surface is dominated by ice mining companies or colonies dug into the ice, but below the ice thrives the "Hanging Cities" affectionately named A...
(My world's details) I have a super-earth world. The surface of the world is shallower due to extra gravity, so shorter mountain ranges and fewer ocean depths. The world orbits a binary star system...
Can a habitable planet have two separate crusts, both of which can sustain life? I am wondering if through the planet's creation, over time through some form of mantle cooling/erosion combination, ...
As requested by JBH, I edited this question to fit the Anatomically Correct Series. The classic zombie is no mystery to anyone: undead, eats people and multiplies by biting humans. Could they ever...
Background: I have an icy moon on a collision course with my fantasy world. Mages on this world have the ability to slow the speed of the moon gradually. I want them to use this power to lock the m...
Would it be possible to have a giant, made of stone for example, that would be 40km tall? Would the earth or even his legs be able to hold him? And if not, what would be the tallest plausible heigh...
Other posts from this thread will be posted here: How to make an Earth with 27 suns work (Closed as a duplicate of the follow up, Attempt Two) How To Make an Earth with 27 Suns Work, Attempt Two...
My planet - let's call it Penumbra for now - exists at roughly 1.5 AU from it's sun - which was similar to Earth's - but is about a billion years older. It is 15% more massive than Earth, but near...
I've noticed in recent scifi shows/movies such as the Expanse or Star Trek that the lighting inside spaceships have two characteristics: Punishingly blue lighting Dark/dimmed miscellaneous lighti...
So, I'm an astronaut. I got stranded on this planet, and I found a civilization of ant sized, intelligent beings that thought I was a god! They did whatever I said, no matter the ridiculousness of ...
Animals on Earth have 2 or 4 legs they use for walking. On another world, however, animals have 3. I want to know how these animals will walk. How will their legs be placed and how will they move t...
Assuming that there is a prison somewhat akin to the one in The Dark Knight Rises, except being nothing more than a cylindrical hole in the earth, how deep would it have to be to make escape attemp...
Say there's a torture technique that hangs people by metal chains (gruesome, I know; stay with me) and the room slowly heats at a steady rate. (Like boiling a frog in an increasingly hot pot of wat...
Antimatter is relatively easy, but heinously expensive, to make using modern technology. I have two universes with the same problem; energy is free and for all practical purposes infinite, this sho...
I have a super-earth world. The surface of the world is shallower due to extra gravity, so shorter mountain ranges and less ocean depths. The world orbits a binary star system at a distance of the ...
The capital of a country is built on a series of stone hills that gradually lead to the ocean. The stone is noted for both the strength of castles made from it and its unique blue-green coloring. T...
If a planet were to have a very thin atmosphere how thick or thin would it have to be to allow there to be a daytime and a nighttime given human or near human ocular sensitivity? In other words, ...
