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Questions tagged [caves]

For questions related to underground naturally occurring cavities, can be large enough to use as shelter/homes.

10
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2answers
548 views

Planetary cave: Gravity inside a non-concentric shell

There are several previous questions concerning concentric shells. I won't reference them here because this is different. I understand that there is no gravitational effect inside a concentric shell*....
5
votes
1answer
105 views

Colonies in giant caves

My colonizing business found a small planet with about 0.8G. They would like to build the colony in the giant caves under the crust of the planet, due to the conditions of the surface,(little ...
3
votes
2answers
158 views

What is the evolutionary advantage of albinism in cave-dwelling animals?

In a story I'm writing, there is a species of extremely rare cave dwelling bird. A scientist and a plummer have to find a specimen of this bird before it goes extinct. When they finally find it, the ...
10
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1answer
133 views

Simulating Cave Formations

Having recently been to Mammoth Cave National Park, I've been considering the caves of my own worlds, and more specifically their formation. Now while not all caves are formed from limestone, it is ...
3
votes
2answers
144 views

Average Speed when Caving

I have some underground travel (walking/climbing) by humans that I need to calculate time for, so I am looking for some "baseline" to go by. As such, I'm trying to figure out the average speed of ...
4
votes
2answers
110 views

Is it possible to create a giant, water-powered music box?

On another world, there is giant ravine leading into a cave where a sentient species live (Let's call them Cavers). They have limited access to materials; the only resources they have are rocks, ...
1
vote
4answers
207 views

How could I have massive subterannean space on my world?

I would like a world with a big LOT of subterranean space to explore, colonize, and trap ancient evil beings. Now, while the questions about food and ventilation are well adressed on Worldbuilding, I ...
9
votes
5answers
539 views

Is it possible to have an underground swamp inside a cave?

Acording to my understanding of the word "swamp", we must have at least 3 components put together: Water in abundance Vegetation Soil for the vegetation to take hold (and eventually to produce mud ...
6
votes
3answers
201 views

How much Light energy would it require to run an underground Photosynthetic ecosystem?

I have a world that consists of hundreds of different caverns inside an earth-sized planet. Each of these many caverns consists of many different biomes, such as plains, Jungles,deserts,etc. However ...
9
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3answers
350 views

How thick should the roof of a large cave be to safely build a city on top of it?

Fullmetal Alchemist (2003) features a giant (and I mean stupidly big) cave under a large and busy metropolis. Nobody is aware of its existence, which means that at least since the city's founding (let'...
14
votes
9answers
5k views

How could a planet have zero surface caves?

What could cause a planet to naturally have zero caverns with surface openings apart from small impact hollows in the sides of craters and crevices carved in cliffs? To be specific, zero large ...
3
votes
1answer
346 views

What prevents Dungeons from collapsing?

One of the ideas I've had for a story is to have million year old subterranean buildings/cities/temples which have younger architecture built on top of them, resulting in a "dungeon" which would be an ...
19
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3answers
3k views

What is the oldest a cave could possibly be?

What is the oldest a still extant cave on Earth could be? What conditions could encourage the longevity of a cave? It seems that the oldest known caves, the Jenolan Caves in Australia, formed in the ...
12
votes
5answers
328 views

How do lever controlled mechanic structures in dungeons work and how feasible they are?

This has been bothering me for a while but I was reminded of it when I started playing Skyrim again. In the dungeons there are some mechanic works, examples including: Lever controlled heavy doors ...
7
votes
2answers
302 views

Can food be grown/raised underground in a sustainable way?

Is it possible to grow plants or raise animals underground, in a way that is enough for 1 person to survive and easy enough to maintain? Conditions: underground; without any on-going help from the ...
3
votes
2answers
159 views

Are lunar caverns expected to exist? [closed]

Are there underground caverns on Moon or Mars? Are they expected to have air (vel: some gas) inside? Do we already know of any?
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vote
3answers
252 views

Can Dungeon Monsters work together?

After asking why monsters do not leave the dungeons, it was explained that they required mana to survive which is scarce outside the dungeon. However what was puzzling for me, was the fact that the ...
2
votes
4answers
212 views

Is it possible to create a consistent timer using only gravity?

I've got a cave civilisation who have never seen the Sun, and don't have much of a concept of time. I was inspired by a Reddit post from someone with a similar situation, and like me, the OP was ...
43
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11answers
5k views

Migrating Dungeon Monsters / Why do monsters not leave the dungeons?

Background : Consider a typical dungeon, which has weak monsters at the top and the lower you go, the stronger the enemies become. Some questions about dungeons have already been answered - why are ...
5
votes
9answers
3k views

How would a cave civilisation survive underground?

All I know so far is, they're a developed culture of humans who live in cave networks underground, made fit for life. They speak their own language, and they have some contact with outsiders, with ...
24
votes
8answers
6k views

How could a human civilization have happened to live underground, in Antarctica?

Let's assume a human civilization have been living for centuries, nay millennia, in a very large cave, not too deep under Antarctica - deep enough not to freeze, but shallow enough not to die because ...
2
votes
3answers
279 views

Someone born and raised without light

Please note: I've seen this and this, but my question is different as it is about a single human generation. If a child was born and raised in an environment with a lack of light, (i.e. a cave, or ...
13
votes
4answers
2k views

Dungeons in a Medieval fantasy

Suppose the typical Medieval fantasy world with elves, humans, dragons, magic, politics, society, and the rest, such as is found in countless open-world games. Open-world games encourage the player to ...
8
votes
3answers
450 views

Is it possible for a language/method of passing information based purely on touch to develop?

Picture a race living in a cave with no light. Their entire existence pivots on remaining quiet and scentless enough that the various (and vicious) predators hanging from the roof of the cave don't ...
10
votes
5answers
1k views

How can I generate electricity inside a cave network?

After a particularly large bombing raid during a war, a mountainous rural region is left mostly destroyed. Villages are in ruins, bands of survivors look everywhere for food and shelter, and all hope ...
4
votes
2answers
240 views

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 ...
26
votes
2answers
4k views

How can I estimate how far into a cave network breathing is possible?

I want two populations to coexist in a world with extensive tunnels carved into the rock. One population lives in the tunnels, coming out to trade and gather food. The other is aware of the tunnels ...
9
votes
3answers
517 views

Assuming you couldn't die, what effects would radiation have on the body?

I'm trying to create some more original monsters for a fantasy story and I was wondering... Assuming you couldn't die, what would happen to your body and how would you appear if you were exposed to ...
14
votes
2answers
835 views

What are the known algorithms to create a planet with a subterranean cave network?

I know a few algorithms to build an elevation map for a planet, but most of them do not take into account the underground aspects of the planet (caves, tunnels, ...). Are there any algorithms to take ...