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13.1k posts
 
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Q&A How can an entire continent be concealed from the rest of the world?

Basically, it's a continent that wants to be really hard to find (you can find it if you try really, really hard). For example, if you got in a ship and wanted to sail to it you wouldn't be able to...

9 answers  ·  posted 6y ago by Enny‭  ·  last activity 6y ago by Enny‭

Question geography
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Q&A Transparent Carapace In Marine Organism

Is it possible to genetically engineer transparent carapace to act as biological armor in marine organisms? I know that deep sea animals may have transparent skin to hide themselves in the lightle...

3 answers  ·  posted 6y ago by JTriptych‭  ·  last activity 6y ago by JTriptych‭

Question biology
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Q&A How long does it take for islands to form after an underwater volcanic eruption?

So, vaguely, I remember from earth science that when submarine volcanoes erupt they eventually form archipelagos. My question actually has several parts; Starting with the first eruption to bre...

4 answers  ·  posted 6y ago by Noellektrae‭  ·  last activity 6y ago by Noellektrae‭

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Q&A What sort of setup of a binary star system would allow only one sun to be "up" at a time?

I have a sci-fi/fantasy world with two suns. Only one sun can be present in the sky at a time. A full day-night cycle would be: Night time Sun 1 rises Sun 1 sets Sun 2 rises Sun 2 sets Night time...

6 answers  ·  posted 6y ago by Discant‭  ·  last activity 6y ago by Discant‭

Question astronomy day-night
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Q&A Can a collision with a neutron star make a planet via the can-o-snakes method?

Simplistically, a neutron star is a celestial body with enormous mass crushed into a small volume. That crushing force is gravity and the result, one might think, is atoms packed much more closely...

6 answers  ·  posted 6y ago by JBH‭  ·  last activity 6y ago by JBH‭

Question planets stars gravity
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Q&A Would a javelin fly further in a vacuum?

My current WIP involves an athletics competition on a non-terraformed moon, namely the Earth's moon. And while it would be a bit difficult to play certain sports without a breathable atmosphere, th...

2 answers  ·  posted 6y ago by Jynto‭  ·  last activity 6y ago by Jynto‭

Question physics sports
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Q&A Explosion-powered low-tech elevator

I am making a world where people live without access to many raw materials, including metals and wood. Among other things they harvest their own dead for a paper analogue. Another thing that is ha...

2 answers  ·  posted 6y ago by Renan‭  ·  last activity 6y ago by Renan‭

Question reality-check
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Q&A Marine Predator That Uses Sound as a Weapon?

Let's say a bunch of crazy scientists develop the ultimate marine predator. How feasible would it to give this whale sized creature a sonic attack that can be a hazard to humans that use small subm...

3 answers  ·  posted 6y ago by JTriptych‭  ·  last activity 6y ago by JTriptych‭

Question biology
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Q&A Materials in a tidal water world

I'm trying to create a people that live on this rolling tide (see previous question or on 'millers planet') but I haven't figured out where they would get wood to build their boats/homes. If the ti...

6 answers  ·  posted 6y ago by depperm‭  ·  last activity 6y ago by depperm‭

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Q&A Massive tides and resources

Assuming a situation similar to this, where the moon causes slower but massive tides that slowly encircle the globe. Would the poles be constantly underwater or not underwater (like A or B below)?:...

1 answer  ·  posted 6y ago by depperm‭  ·  last activity 6y ago by depperm‭

Question moons water tides
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Q&A On an Earth regularly ravaged by solar storms as strong as as the Carrington Event, how would technology advance?

The world I'm thinking of is a large moon of a gas giant. It's fairly Earth-like, perhaps a bit smaller, might be a bit magical, but sits about where we sit around a star very similar to ours, exce...

3 answers  ·  posted 6y ago by TomatoCo‭  ·  last activity 6y ago by TomatoCo‭

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Q&A Stationary Storm

I've been trying to come to an answer for what conditions need to be in place to allow for the formation of a permanent or at least a long lasting weather pattern, in this case a large storm. I wou...

2 answers  ·  posted 6y ago by treskTon‭  ·  last activity 6y ago by treskTon‭

Question climate
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Q&A How do you non-catastrophically reduce the mass of the Sun by half?

In my previous question, I asked how much mass the Sun would have to lose in order for Saturn's orbital velocity to be its escape velocity. The answer proved to be somewhat unexpected - when the S...

14 answers  ·  posted 6y ago by Justin Thyme‭  ·  last activity 6y ago by Justin Thyme‭

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Q&A Gravity differences on asteroid with an O'Neill cylinder

In my story there is something akin to an Island Three O'Neill cylinder buried vertically into the side of the asteroid Vesta. It is 5 miles across and 20 miles long. The station is buried but is...

1 answer  ·  posted 6y ago by Sam Washburn‭  ·  last activity 6y ago by Sam Washburn‭

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Q&A Is it possible for an atmosphere to have gasoline mixed in it?

Is there such a thing as gasoline vapors, or some kind of gas that can be given off by gasoline? I'm trying to come up with a planet where the atmosphere is combustible and constantly catching on f...

2 answers  ·  posted 6y ago by Noah‭  ·  last activity 6y ago by Noah‭

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Q&A How would anthropomorphic, but arm-less, snakes or eels hold things?

In my book series (more on that here), the galaxy is inhabited by anthropomorphic animals, humans, and mythical creatures. The anthropomorphic animals are similar to Narnia's talking animals, excep...

6 answers  ·  posted 6y ago by The Weasel Sagas‭  ·  last activity 6y ago by The Weasel Sagas‭

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Q&A Humans returning to tribalism

I'm working on setting in which a prison ship crashes on an unexplored/unknown planet, and due to infighting and environmental factors the prisoners return to tribalism at best or feral animals at ...

7 answers  ·  posted 6y ago by treskTon‭  ·  last activity 5y ago by treskTon‭

Question society humans
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Q&A What is the maximum orbital time for my moon around my planet?

I fear the math involved is beyond my capabilities on this one. I have what I consider to be more than a Layman's understanding of the physics involved, and I believe I can follow the math well en...

3 answers  ·  posted 6y ago by Dalila‭  ·  last activity 6y ago by Dalila‭

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Q&A If I were to travel back in time to Medieval Europe, do I carry any diseases that they weren't immune to, and would I kill them accidentally?

I actually have European ancestors who survived the plague and because of this, I have been told that I am more immune to diseases that broke out back then and that does make sense. So I can imagin...

4 answers  ·  posted 6y ago by Stratosylph ‭  ·  last activity 6y ago by Stratosylph ‭

Question biology
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Q&A Draconic Centaurs

And you thought I was finally done with centaur questions. I have a centaur race called the Draconitaurs. They're essentially centaurs, but with western dragons instead of horses. The dragon trop...

3 answers  ·  posted 6y ago by AzaleaGarden‭  ·  last activity 5y ago by AzaleaGarden‭

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Q&A Space vacuum food preservation

In a world I am creating, some people have colonized Ceres-like and Moon-like worlds - that is, they live in domes or underground, in pressurized buildings. The planets have no atmosphere for all p...

3 answers  ·  posted 6y ago by Renan‭  ·  last activity 6y ago by Renan‭

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Q&A Fart & Furious: flatulence as acceleration booster possible?

It's the Olympics, and it'll be one the world won't soon forget. The sprinters are in position on the starting blocks, the signal is given and the runners are off! However, one man gives off a fart...

5 answers  ·  posted 6y ago by nullpointer‭  ·  last activity 5y ago by nullpointer‭

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Q&A Metamorphosis Lycanthropy Part 2

If you notice the part two, yeah I had one before this. Please read it before reading this one: Metamorphosis Lycanthropy Edit: just figured out it was closed. Sigh . . . Edit 6 You have been rel...

1 answer  ·  posted 6y ago by user55812‭  ·  last activity 6y ago by user55812‭

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Q&A Opaque Solar Shield in Geosynchronous Orbit: Plausibility + Challenges of Maintaining Orbit

Suppose humans of the late 21st century or beyond began constructing a solar shield as a solution to climate change. Suppose for some reason (open to suggestions) they choose to build the shield in...

2 answers  ·  posted 6y ago by Irving Washington‭  ·  last activity 6y ago by Irving Washington‭

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Q&A Can land-living endotherms exist without hair, feathers, scales etc.?

Aliens are very rarely portrayed as being furry, at least in proper xenobiology worldbuilding. They're virtually never depicted with feathers, and only sometimes with scales. Currently, there are...

4 answers  ·  posted 6y ago by SealBoi‭  ·  last activity 6y ago by SealBoi‭