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Q&A

# Posts tagged water

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225 posts
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Is it plausible to assume that the total amount of water (edit: water molecules) on planet earth was, in different periods of earth's history, significantly lower or significantly higher, or rather...

2 answers  ·  posted 1y ago by deleted user  ·  last activity 1y ago by Lundin‭

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This is a follow up question to Sky of Earth and Seas of Sky I have a medieval fantasy setting where people live in a vast expanse of giant caves contained in a sort of giant Stanford torus. This...

7 answers  ·  posted 2y ago by Nosajimiki - Reinstate Monica‭  ·  last activity 2y ago by Nosajimiki - Reinstate Monica‭

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Premise/question Hydraulic mining is the process of spraying high-pressure jets of water into the ground to dislodge sediment and rocks. The muddy water from this is directed into sluices where va...

1 answer  ·  posted 2y ago by pg4919‭  ·  last activity 2y ago by pg4919‭

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Something like the above (Natural Springs by Ellie Cooper) - either where the water originates from atop the tree through regular rainfall, or is directed up and into the tree via the spring (or ...

15 answers  ·  posted 2y ago by Vigilant‭  ·  last activity 2y ago by Vigilant‭

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Many planets out there will be water worlds. Those generally come in two flavors: either the oceans are so deep that the water turns into high-pressure ices like ice-six, -seven, -ten and -eleven o...

1 answer  ·  posted 2y ago by TheDyingOfLight‭  ·  last activity 2y ago by TheDyingOfLight‭

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The fleet in my setting are forced to leave the planet due to a volatile virus, and leave in pre-prepared spacefaring vessels capable of transporting ten million people per ship. The ships have alg...

7 answers  ·  posted 3y ago by Niobium_Sage‭  ·  last activity 3y ago by Niobium_Sage‭

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I am creating an RPG and came across an image that I wanted to base my landscape on. It is shown above. Is it possible for terrain like that to form on Earth (ignore the wildlife)? If it is, how ...

4 answers  ·  posted 3y ago by galactic_analyzer‭  ·  last activity 3y ago by galactic_analyzer‭

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Based on the planet from this question. The main thing that distinguishes this planet from, say, Europa, is the handwavium light-source, which I must assume is wrapped in a perpetual explosion wrap...

2 answers  ·  posted 3y ago by CAE Jones‭  ·  last activity 3y ago by CAE Jones‭

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If we assume a terraformed Ganymede has a global ocean roughly 800km deep, that food is bountiful, and that it has been populated by a variety of life from Earth, how large could these creatures gr...

1 answer  ·  posted 3y ago by Wax‭  ·  last activity 3y ago by Wax‭

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Imagine similar earth conditions of oceans and currents, and a renaissance type kind of ships of various sizes (ranging from sloops to ships-of-the-line), could a fleet consisting in 1500 (aprox.) ...

4 answers  ·  posted 3y ago by DigiAB‭  ·  last activity 3y ago by DigiAB‭

Question water currents ships
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Landia, a land based civilisation, has recently established diplomatic relations with Aquatica, a civilisation of fish people. The two peoples exchange gifts to each other - including from Landia, ...

9 answers  ·  posted 3y ago by Fhnuzoag‭  ·  last activity 3y ago by Fhnuzoag‭

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It's easy to imagine how would a water-breathing aquatic race outfit its spaceship - take a normal spaceship, insulate it, fill it with oxygenated water, possibly add some enhanced turbines to pump...

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

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While reading this question about how non-primate mammals could develop a bipedal stance, I became curious about the broader reasons why animals could evolve to walk on two legs. I found some insi...

4 answers  ·  posted 3y ago by Zxyrra‭  ·  last activity 3y ago by Zxyrra‭

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A certain imaginary stellar system had once a water world. But instead of evaporating away under the stellar wind, this lucky (or unlucky?) water world (made of only water and a gaseous atmosphere)...

3 answers  ·  posted 8y ago by Jorge Aldo‭  ·  last activity 3y ago by Jorge Aldo‭

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Take a torus planet: It has the structure of a normal planet (ours): The diagram is not to scale. Assume similar proportions of Crust:Mantle:Cores as the Earth. Is has a similar volume (close...

5 answers  ·  posted 8y ago by Tim‭  ·  last activity 3y ago by Tim‭

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Is it theoretically possible to extract all ice and water from moons with subsurface oceans like Ganymede or Enceladus? What would the consequences of isostatic rebounding be if this was done on ...

1 answer  ·  posted 3y ago by carsonogen089‭  ·  last activity 3y ago by carsonogen089‭

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Imagine that when Christopher Columbus sailed West in his Carrack to travel around the world to reach India, he had never made it to land, because halfway across the Atlantic Ocean between Europe a...

17 answers  ·  posted 7y ago by Mike.C.Ford‭  ·  last activity 3y ago by Mike.C.Ford‭

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On my Conworld, the oceans are purple. This is mostly for aesthetic purposes and my current explanation is an abundance of cyanobacteria. I'm not sure that this explains it correctly, so what could...

3 answers  ·  posted 3y ago by Greenie E. - Reinstate Monica‭  ·  last activity 3y ago by Greenie E. - Reinstate Monica‭

Question water ocean
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Hopefully this isn't two separate questions - I do feel like they are interconnected enough that they can be counted as one. I'm wondering if it would be possible for primitive human ancestors. Le...

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Just as in the real world where horses were tamed to travel long distances quickly across land, would it be realistic for an animal to be tamed and used as an aquatic mount for quick transport arou...

4 answers  ·  posted 3y ago by Macallen‭  ·  last activity 3y ago by Macallen‭

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Water, as is, with its physical and chemical properties, is the base of any living being on Earth. Water has a rather high specific heat capacity of 4.184 J/gC, which in itself has a great effect ...

1 answer  ·  posted 3y ago by Arteminio777‭  ·  last activity 3y ago by Arteminio777‭

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A radical shift in the Earth's orbit has made the Earth much colder, with all the oceans freezing over, and the atmosphere liquifying and falling as rain. Humans live deep underground in areas of h...

2 answers  ·  posted 3y ago by ak7‭  ·  last activity 3y ago by ak7‭

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This is strictly Earth based. Would it be possible for a society to develop their own civilization underwater (nothing fantastical like Aquaman or whatever, but more of a grimy, hardscrabble existe...

7 answers  ·  posted 3y ago by Faz‭  ·  last activity 3y ago by Faz‭

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Assuming the same rules for physics apply to this world as they do for our own, how would a humanoid race that lives at the bottom of the sea be able to walk around like humans do on land? What kin...

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Recently, I found this map of Africa's paleolakes in the Imaginary Maps reddit: Finding this map was mere coincidence, but this map definitely interests me. Now there have been multiple what-if...

2 answers  ·  posted 3y ago by JohnWDailey‭  ·  last activity 3y ago by JohnWDailey‭

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I'm trying to create basically realistic mermaids, and working on developing body language and vocalizations. I have most of the vocalizations I can think of (suggestions are still appreciated), bu...

11 answers  ·  posted 4y ago by Guest‭  ·  last activity 3y ago by Guest‭

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It makes sense to me that the best food in an underwater dome complex would be fish. Considering the massive amounts of aquatic life in the vicinity, it could work pretty well. However, I can't th...

4 answers  ·  posted 3y ago by Redwolf Programs‭  ·  last activity 3y ago by Redwolf Programs‭

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Planet: earth like, half the radius of earth, gravity is .7g. Assuming this is possible and humans live on this planet, would it be possible to have 90% of the planets surface area be under water?...

1 answer  ·  posted 3y ago by WitchCuddles‭  ·  last activity 3y ago by WitchCuddles‭

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First of all, yes I'm Australian, and yes I am using a kangaroo to type this up. If you take a look at Australia, it's a pretty sad place geographically. Very flat, very dry, mostly desert and for...

18 answers  ·  posted 6y ago by John Hon‭  ·  last activity 3y ago by John Hon‭

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In this world, a progenitor has created a mass of order out of chaos, with the possibility of entropic fluctuations increasing the further out from the center you get. What do I mean by entropic fl...

2 answers  ·  posted 3y ago by Carduus‭  ·  last activity 3y ago by Carduus‭

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Suppose some magical civilization on Earth-like planet can create portals. Any given portal entrances are spherical surfaces of the same radius. Any particle enters one sphere and exits another in ...

1 answer  ·  posted 3y ago by ÐœÑ–ÐºÐ°Ð»Ð°Ñ ÐšaÑ€Ñ‹Ð±ÑƒÑ‚Ð¾Ñž‭  ·  last activity 3y ago by ÐœÑ–ÐºÐ°Ð»Ð°Ñ ÐšaÑ€Ñ‹Ð±ÑƒÑ‚Ð¾Ñž‭

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One way, I think, is if the gravity is exactly correct. However, while I think the water might be in a unstable equilibrium, I have been unable to work out the mathematics. Let's assume that such a...

5 answers  ·  posted 8y ago by strNOcat‭  ·  last activity 3y ago by strNOcat‭

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Suppose that there was a tribe of nomadic mermaids whose lives were primarily centered around following pods of dolphins to eat. They live in the equivalent of the frigid antarctic seas. As they ...

9 answers  ·  posted 5y ago by cuddlefish‭  ·  last activity 3y ago by cuddlefish‭

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I was thinking of an alternate history, in a part of a civilization, living along the Eastern Mediterranean, during the Bronze Age moves to the sea floor to found an underwater civilization. They ...

3 answers  ·  posted 3y ago by Anders Gustafson‭  ·  last activity 3y ago by Anders Gustafson‭

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Two rivers converging into one is obviously extremely common, most often when one is clearly dominant over the other (whereby the lesser one is the 'tributary' of the greater) but also sometimes wh...

3 answers  ·  posted 3y ago by Stephen‭  ·  last activity 3y ago by Stephen‭

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I'm writing a drama book and it's meant to be taken 100% seriously, and the main character was born with an allergy to $H_2O$. She does not have Aquagenic Urticaria, as that only affects the skin. ...

5 answers  ·  posted 3y ago by Warden‭  ·  last activity 3y ago by Warden‭

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I am trying to wrap my head around the geography of a settlement in my world. The settlement is situated along the coast, along a river roughly 500m wide with temperate mixed forests surrounding i...

3 answers  ·  posted 3y ago by A Lambent Eye‭  ·  last activity 3y ago by A Lambent Eye‭

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I'm interested in creating some construct of a society in the Twilight and Midnight zones of the ocean. By what means could they mine, farm, and trade in what is suppose to be a more futuristic so...

4 answers  ·  posted 3y ago by Francis Moon‭  ·  last activity 3y ago by Francis Moon‭

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I want to put a story in place where a country lived underwater, and I am wondering of its viability. Here is the world description: It is a square of 100 km*100 km on the ocean with the weather ...

1 answer  ·  posted 3y ago by totalMongot‭  ·  last activity 3y ago by totalMongot‭

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I'm writing a story that takes place entirely underwater, mostly in a deep sea town and shallower city. Both are underwater and populated by beings who can survive underwater. My thinking is that...

10 answers  ·  posted 3y ago by John Lewis‭  ·  last activity 3y ago by John Lewis‭

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In a vaguely Medieval setting with some limited magic, how would an underwater city handle sewage? Sanitation was one of the biggest limiting factors in the growth of human cities, and being under...

3 answers  ·  posted 3y ago by Overthinks‭  ·  last activity 3y ago by Overthinks‭

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I'm working on a sci-fi setting which includes an aquatic space-faring species. When a human space vessel is ruptured and depressurizes, the gas can escape rapidly and we immediately suffer from t...

3 answers  ·  posted 3y ago by Martin Carney‭  ·  last activity 3y ago by Martin Carney‭

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This one is rather straightforward. A character falls into a magically-induced coma for about 10,000 years and then wakes up to find the world around him different in quite a few ways. There's not ...

4 answers  ·  posted 3y ago by greenmaster‭  ·  last activity 3y ago by greenmaster‭

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Let's assume that there is a lake that has formed from snowmelt and rainfall. The lake has never been in contact with other bodies of water. How might this lake become a complete ecosystem?

5 answers  ·  posted 3y ago by MintySoftboi‭  ·  last activity 3y ago by MintySoftboi‭

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I don't wanna reveal too much about my world, however, the basic idea is that there is a town of people who live deep underwater (they are biologically capable of doing underwater gas exchange and ...

2 answers  ·  posted 3y ago by John Lewis‭  ·  last activity 3y ago by John Lewis‭

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Handwaving the origin of one such place, imagine a universe where every part of space is filled fully and evenly with liquid water (at, say 1 degree Celsius). What would be the experience of a soli...

13 answers  ·  posted 4y ago by user289661‭  ·  last activity 3y ago by user289661‭

Question water physics
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A soft and vulnerable intelligent underwater species, you can consider them closely related to Earth's octopus - in the way chimps are closely related to humans. Consider that clothing is often wo...

7 answers  ·  posted 7y ago by DoubleDouble‭  ·  last activity 3y ago by DoubleDouble‭

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I am creating a speculative evolution project for school (and partially for leisure) and I need a planet for my organisms to live on. I have a rough idea of what it may be like but I'm no expert in...

8 answers  ·  posted 4y ago by MintySoftboi‭  ·  last activity 4y ago by MintySoftboi‭

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With the rise of global warming and our leaders not seeming to do enough about it, expanding our ranges past the earth's ground seems like something we must do eventually. Everyone always points to...

2 answers  ·  posted 4y ago by jaxon5225‭  ·  last activity 4y ago by jaxon5225‭

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I have followed this forum for quite some time. Now is the time to ask my first question :) I'm currently working on a story in which a future, civilian luxury submarine is used to research some li...

4 answers  ·  posted 4y ago by Miguel TofiÃ±o Vian‭  ·  last activity 4y ago by Miguel TofiÃ±o Vian‭

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