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Q&A

Posts tagged water-bodies

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Q&A What would the problems with / consequences of a torus shaped planet be?

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 9y ago by Tim‭  ·  last activity 4y ago by Tim‭

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Q&A Northern Great Lakes in an Alternate Island Africa--Would the Sahara DESERT Still be Around?

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 4y ago by JohnWDailey‭  ·  last activity 4y ago by JohnWDailey‭

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Q&A Ultimate Australian Canal

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 7y ago by John Hon‭  ·  last activity 4y ago by John Hon‭

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Q&A What aquatic creatures would evolve in a world with ripped apart/chaotic oceans?

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 4y ago by Carduus‭  ·  last activity 4y ago by Carduus‭

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Q&A Can liquid water exist on a planet without atmosphere?

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 9y ago by strNOcat‭  ·  last activity 4y ago by strNOcat‭

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Q&A How might a landlocked lake become a complete ecosystem?

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 5y ago by MintySoftboi‭  ·  last activity 5y ago by MintySoftboi‭

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Q&A Feasibility of large and isolated swamp-like enviroment

For my world I would need a really large swamp (or similar kind of wetland). It should be about 200km in diameter, which should be quite possible given a large enough flat terrain and enough rain. ...

2 answers  ·  posted 5y ago by Nicholas Mazzer‭  ·  last activity 5y ago by Nicholas Mazzer‭

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Q&A weather after the earth gets flooded

tl;dr : the earth has been gradually flooded, over the course of a few hundred years. Also, there are now large lumps or ice raining out of the sky (not very often), causing massive tsunamis. I ha...

1 answer  ·  posted 5y ago by Mark Gardner‭  ·  last activity 5y ago by Mark Gardner‭

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Q&A Is there dry land on Earth if the moon orbits just above its Roche limit?

Imagine an Earth-like world in all respects except that the Moon is much much closer. I think I'm right to say if the Moon were very close that tidal forces would slowly rob it of momentum and it ...

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

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Q&A How to put a lake on the ceiling?

Another user's answer to a recent question, specifically the way it was worded, gave me a vision I cannot shake. Our intrepid adventurer, Joe A. Venture, is making his way through a subterranean n...

16 answers  ·  posted 6y ago by Frostfyre‭  ·  last activity 6y ago by Frostfyre‭

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Q&A What (and how long) would it take for all the water from a Great Flood to go away? How much would such an event shape the geography of the world?

Many worlds have an apocalyptic/cataclysmic event. If mine is a Great Flood, how long would it take for much of the world to be habitable land again? Keep in mind, by the events of the present, the...

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

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Q&A How long does it take for an eclipse to cause the ocean surface to freeze?

I am working with a story. I wish to make my story somewhat logical by adding some science and thereby not making it to appear fantasy. This story is on a fictional planet far away from Earth. Let...

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

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Q&A What would Earth be like if there was no salt water?

I was making a planet for a game and I was wondering how the world would be affected if it never had salt water, but instead a huge fresh water supply. Then I thought about what it might do to the ...

3 answers  ·  posted 8y ago by Sunspear25‭  ·  last activity 6y ago by Sunspear25‭

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Q&A What methods might an ancient civilization take to extract fresh water from great depth?

I previously asked What measures might an ancient civilization take to protect itself from extreme heat? The answers gave some useful suggestions as to how cities could be adapted. For convenience...

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

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Q&A How would someone destroy a dam in a world without explosives?

I'm considering the mechanics of a "shock and awe" scene in my novel which could see an old dam being brought down. The era is equivalent to that of the middle Roman empire, so introducing explosiv...

20 answers  ·  posted 7y ago by Brereton‭  ·  last activity 6y ago by Brereton‭

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Q&A How might a life-sustaining planet exist with an "atmospheric ocean"?

This might be a little difficult to explain, but basically: the concept of "atmospheric ocean" is a gas that is found pretty much everywhere on the planet. Probably very dense and sinks to the surf...

8 answers  ·  posted 7y ago by ChrisBKreme‭  ·  last activity 6y ago by ChrisBKreme‭

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Q&A A planet with all of its water underground

Question: Could a planet contain all of its (vast) oceans underground? I imagined a planet with no surface oceans - and no water cycle above ground - but where life was still possible. My initia...

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

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Q&A If an Earth sized planet had 1.5-5x more or less gravity than that of the Earth, how would it affect the shape of waves in water bodies?

I'm not talking only about the kind of waves one sees at a sea shore, but also smaller waves like ripples and chops, and bigger waves like tsunamis. Assume a similar tidal force to that of Luna.

4 answers  ·  posted 8y ago by txtsd‭  ·  last activity 7y ago by txtsd‭

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Rigorous Science How would water behave on a planet with no moons?

My novel is set on a planet covered in 90% water with no moons. How would the lack of natural satellites effect the waves and wind?

2 answers  ·  posted 7y ago by Twinkle the cat‭  ·  last activity 7y ago by Twinkle the cat‭

Question moons water-bodies
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Q&A Natural underground water distribution in a desertic continent

I'm worldbuilding a continent that's mostly desertic (still trying to decide if sand or rocky desert, but definitely a hot desert). All the rain would fall on the edges of it, through a chain of mo...

4 answers  ·  posted 8y ago by Pedro Gabriel‭  ·  last activity 7y ago by Pedro Gabriel‭

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Q&A Larger moon = Larger Tides = No oceanic ships?

In an Earth-like world with a moon as large as this: Would the larger tides discourage oceanic shipping?

8 answers  ·  posted 9y ago by Malady‭  ·  last activity 7y ago by Malady‭

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Q&A The Reality of a River World

In a setting I am presently working on, I have envisioned a world similar to Star Wars' Takodana, in that its water is mainly in the form of large rivers, or smaller seas (I generally picture it b...

5 answers  ·  posted 8y ago by System‭  ·  last activity 7y ago by System‭

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Rigorous Science If we separate the Atlantic and Pacific oceans and install a generator in Panama canal, how much electricity do we get?

Could one (and how much) generate electricity by building a wall connecting: South Africa to Antarctica South America to Antarctica Northern Canada to Northern Greenland Northern Greenland to Rus...

2 answers  ·  posted 8y ago by mpme‭  ·  last activity 8y ago by mpme‭

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Q&A What's the quickest way to add oceans to a planet?

After writing this question about the ecology of a terraformed planet, I realized that I hadn't quite tied up all the loose ends of the terraforming process itself. I intended for a group of aliens...

7 answers  ·  posted 8y ago by HDE 226868‭  ·  last activity 8y ago by HDE 226868‭

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Q&A Mountain Spring Inquiry

Details: Would it be possible to have a mountain spring that only flows occasionally, perhaps only for a few days, following moderate rainfall? The spring water would feed into an otherwise stagn...

1 answer  ·  posted 8y ago by RoyaltyRabbit‭  ·  last activity 8y ago by RoyaltyRabbit‭

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Q&A How could state borders equal major watersheds?

How can I explain, in a believable way of course, that country borders closely resemble drainage divides? They don't always match mountain ridges, which are natural borders "“ as are the rivers th...

5 answers  ·  posted 8y ago by Crissov‭  ·  last activity 8y ago by Crissov‭

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Q&A How long can a river physically be on a planet?

How long can a river be? Are there any physical limits on its length, coming from the necessary altitude drop, the triple point of water, or other factors? You can alter whatever parameters you f...

3 answers  ·  posted 8y ago by rzp‭  ·  last activity 8y ago by rzp‭

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Q&A Open Polar Sea feasibility?

I know it's been proven false in our world, but what is the most plausible mechanism by which an Open Polar Sea could form and persist? I don't mean all the ice melting, but an open sea as it was ...

8 answers  ·  posted 9y ago by Adam Miller‭  ·  last activity 8y ago by Adam Miller‭

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Q&A Effect of an enormous waterfall on regional climate and ecosystem

My premise is that a bay-like body of water empties into a sea via a waterfall. Specifications: The sea is roughly the size and shape of the Mediterranean. The tributary body of water is around 2...

2 answers  ·  posted 8y ago by Era‭  ·  last activity 8y ago by Era‭

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Q&A Is it possible for the oceans to freeze solid (at least on the surface)?

Can the oceans freeze (at least several feet below sea level)? I know that the temperature for salt water to freeze is lower/colder than fresh water, and when it does freeze, the ice is mostly salt...

4 answers  ·  posted 8y ago by Matt Woodspirit‭  ·  last activity 8y ago by Matt Woodspirit‭

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Q&A Is it possible for a planet to be devoid of polar ice caps?

I know water is required for life on a planet so I got to thinking, is it possible for a world to be a functional planet (plants animals etc.) without polar ice caps and if so, how would it work wi...

6 answers  ·  posted 8y ago by Sunspear25‭  ·  last activity 8y ago by Sunspear25‭

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Q&A Permanent settlements on the surface of ice

Suppose a planet is covered with floating ice on top of water ocean and has no dry land. Would it be possible to establish permanent settlements, cities? Particularly I am interested in technolog...

5 answers  ·  posted 9y ago by Anixx‭  ·  last activity 8y ago by Anixx‭

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Q&A What would happen to the ocean when lowering atmospheric density?

Suppose one fine day a mischievous god decided to eradicate all air molecules on Earth in an instant, my question is what will hapen to the ocean? Please kindly disregard (omit) your concern for li...

1 answer  ·  posted 9y ago by user6760‭  ·  last activity 9y ago by user6760‭

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Q&A Desert planet's atmosphere and cavern system?

Ok, so I have this planet that I am still building. It is a desert planet, its surfice is almost completely arid with a few exceptions such as snow deserts in the poles. There is sentient life in ...

2 answers  ·  posted 9y ago by Xuu‭  ·  last activity 9y ago by Xuu‭

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Q&A What percentage by mass of the earth's surface is water?

I am creating a fantasy world where a given race is mystically tied to the planet. Predominately this race will be earth-dwellers, quite happy and content to burrow underground, but I'd like some o...

1 answer  ·  posted 9y ago by Brian_Drozd‭  ·  last activity 9y ago by Brian_Drozd‭

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Q&A What happens to air pressure if the ice caps completely melt?

Apologies; it just didn't seem like an appropriate question for Earth Science or Biology. Let me know if I'm incorrect. Maybe Physics? If all the ice, permafrost, ice caps, etc. melted due to glo...

2 answers  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭