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I'm designing a sentient, aquatic creature, and trying to decide how many eyes it should have. This creatures biological strategy is one of redundancy - it has multiple mouths, multiple tentacles,...
If I've recently started a colony on a somewhat habitable, but uninhabited planet, what's the best way to determine the location of any ore or other subterranean resource deposits? The planet is E...
In the MARS series of National Geographic, an organisation is steadily colonizing Mars by sending a handful of people every few months. However, these aren't ordinary people, of course; they are to...
I'm working on a world where the human race lives on a planet that is much closer to its star than Earth is. The temperatures range from 150C to 300C in the day and below 0C at night. My question...
After traveling a long long time, your spaceship is finally entering into the gravitational sphere of influence of a Sun-like star. Your captain would now like to move from the Oort-like cloud dist...
I have two large continents on an earth like world. I would like for the dominate predator on the more desert continent to be a large cat. I have found the leopards and jaguars of Egypt, but am unc...
Nature does some pretty interesting things with gender: This is a female trilobite beetle. Scientists have observed females extensively, yet for decades, scientists could not identify the male ...
Toxic Spiders and Experiments Gone Wrong: Let's Talk About Comic Book Mutations Numerous superheroes get their powers after something mutates their cells. Perhaps it's a gamma ray, and result...
So, as I've mentioned in previous questions, I am writing a series in which the four young main characters encounter natural, traversable wormholes that connect the present time to another one. I'v...
What would happen if two spaceships with Alcubierre warp bubbles were colliding? Would the space bubble collapse? Would they reject or push each other? Would they survive it without problems?
[This is an extension of this Worldbuilding.SE question.] So, general relativity states that: For example, objects in a gravity-less environment, but in a container accelerating at 9.8m/s^2 (such ...
In many countries, we number the years based off of proximity to an event in the Christian religion - we are over 2016 years past that date. However, in this scenario, religion has become less main...
I've created a species that, instead of eating multiple times a day like us, eats one tremendous meal and survives off of the fat stores for long periods of time. My question is about feasibility....
This question on Physics.SE asks whether other colors are possible for the sky. I would like my planet to be inhabitable by normal humans. It has 768 days and they are living in a temperate/Medite...
Could two planets in the same solar system sustain life? I have one world that is about the size of our own planet. The other planet is farther away from the first planet think of it like Mars but ...
Each year without fail the notorious serial house breaking old man always deliver the present to all the children in the world, yes you heard me now that's billions and counting, and a piece of coa...
Here is what we know of the planet Mars so far: DIAMETER: 4212 miles MASS: 6.39 × 10^23 kg DISTANCE FROM THE SUN: 141.6 million miles It isn't to say that we haven't found water on Mars, ju...
It is said that around 50km above the surface of Venus is the most earth like environment on the whole solar system (source here), At an altitude of 50 kilometres (31 mi) above Venerian surface...
A pharmaceutical company begins drug trials of a pill that they believe can activate a previously understudied and widely unknown region of the brain. The trial begins and when the first participan...
In a world I'm building - the same one as in Is space piracy orbitally practical? - there are many space stations in low Earth orbit, used as orbital spaceports, each about ten times the size of th...
To My Valued Fellows, As we are all aware, our people have made tremendous progress both evolutionarily and technologically. Thanks to us, our species is protected from the ravages of cancer and w...
I've read that the atmosphere about 60 km from the surface of Venus is very similar to the atmosphere on earth (the oxygen/nitrogen/CO2 levels and pressures are about the same). If there was a way,...
In a close future (in 100-200 years), humanity is in an energy/resource crisis and seeks new resources in the solar system. In my story, humanity, still in need after colonizing the moon, sends a m...
Exploring this new star system you have been pretty lucky to find an Earth like planet, with plenty of Oxygen, both in gaseous and in chemically bonded state (water, rocks, etc.). Just before you ...
Let's just take antimatter off the table right now. As I've learned recently, it's hard to make, expensive as hell and even more volatile, and you can never get more energy out of it than you put i...
