Questions tagged [hollow-earth]
For questions describing a planet that is partially or mostly empty, internally.
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Could Moon Phases work in a Concave Hollow-Earth?
I'm trying to wrap my head around how phases of the moon(s) would operate in a hollow earth. For reference, I am picturing a situation like this:
In this system, the center of the hollow earth has a ...
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What changes does physics require for a hollow earth?
Lets just assume I want a Hollow earth, similar to movies like the Monsterverse, etc, but without the plant/animal life. what changes does earth's structure or physics require for that?
Around the ...
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How do I explain volcanos and plate tectonics on a hollow world?
The world my setting takes place on is an artificial shell world set into the FAR future (somewhere between several hundred million and nearly a billion years) after a cataclysmic event wiped out it's ...
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Can a supernatural hollow earth be concealed from people?
The Earth is actually hollow. Beneath our feet is a world of supernatural monsters and heroes and magic and mystery. If you dig deep enough you'll hit their tunnels and start seeing lots of weird ...
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How would atmospheric pressure change in a giant hole through the earth?
A giant hole exists in the earth surrounded by a super material that can withstand the extreme temperatures and pressures from the crust to crust through the center core of the earth. It is perfectly ...
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Would dropping a nuclear bomb in a hollow world civilization be more disastrous compared to a surface world?
In my world (a very soft sci-fi world), humans live beneath the surface in a large planet that is largely inhospitable on the surface. It's not Earth. The hollow planet is kind of like Swiss cheese in ...
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What would gravity, breath, and human bodies be like near the heart of the Earth?
If humans lived on the inside of the earth's crust, what would happen if they climbed mountains? These mountains would stretch toward the burning center of the Earth. Would gravity get stronger the ...
user71493
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what occupational categories are believable during world war 2? [closed]
I am making a custom pathfinder campaign that is set during world war 2 (will explain how modern becomes medieval). I need to come up with a list of occupations that the players can choose from and ...
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Hollow Earth - how to measure it?
I'm making a map for my friend - I drew a pretty neat cartographic grid with a proper map projection - and then he reminded me that his world is actually an inverted Earth with a glowing ball of ...
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Can a habitable planet have two separate crusts, both of which can sustain life?
Can a habitable planet have two separate crusts, both of which can sustain life? I am wondering if through the planet's creation, over time through some form of mantle cooling/erosion combination, ...
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A structually self-supporting hollow Earth?
Is it possible to have a structurally self-supporting hollow Earth where the weight of the shell is balanced against the atmospheric pressure inside?
It must be human habitable (gravity is nice but ...
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How to use a balloon at the Center of the Earth?
Imagine a world like Pellucidar or Skartaris. This world exists on the inside of a 'hollow Earth'. The laws of physics apply as normal, except as follows
There is a gravitational force that attracts ...
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Planetary core building [duplicate]
Let's say we have 2 planets, one being 'a' (the bigger one) and one being 'b'. Planet a is completely hollow inside with planet b is inside of it. My question is how much gravitational force would ...
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Spotlight distribution in a hollow earth?
I've been toying with a concept for a hollow/inner Earth universe in which I would like to achieve an even distribution of light. The pickle is that the "sun" of this world operates like a beacon/...
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Can a circumnavigation prove someone is living in Hollow Earth? [duplicate]
Imagine that the Hollow Earth theory is actually right. We've been living inside a planet shell. The gravity: we are "glued" to the ground, unlike this explanation that conclude we are should be in ...
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Does the thickness and diameter of a hollow earth give an affect to the overall gravity inside?
I looked at a few articles that talk about the hollow earth. All answers state that the gravity would be 0G no matter the position of an object inside.
Though what I'm not sure is that does the ...
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What would some of the societal impacts of the advent of optical instruments be in a concave hollow earth? [closed]
I'm working on building a world in a fantasy setting that exists basically as a 'hollow earth'. This world is earth sized and earthlike, just hollow with a mini-sun in the center, and humans live on ...
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A planet inside out [duplicate]
I've had this dream tonight about a planet that is Earth but inside out. The outside of the planet are rocks, stone, a surface like that of the moon. There a few holes that tunnel through the surface ...
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Gravity on a hollow non-enclosed world
The normal condition of life in a planet (Earth right now) is that below us is the planet's core, and above us is the sky.
Now if there's a hollow planet like above, is that possible? How does ...
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Would the sunset look similar to ours on a floating-island earth?
Assume that this earth is celestially equivalent to ours: e.g. same solar system, same position, same orbit, etc.
Would the sunset look similar to ours on a floating-island earth?
The earth itself ...
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Seeing Through The Earth [closed]
What would happen if the earth was made up of some transparent, see-through material, and it was hollow? Nothing else is different. Would we able to see the other side of the earth, or would it be too ...
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What is the color of the sky in a hollow earth?
Does the position of the sun in a hollow earth scenario affect the way light scattering would "color" the sky?
My understanding is the reddish-orange color during sunrise/sunset is caused by the sun ...
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Is a moon inside a hollow Earth possible?
The Hollow Earth theory is/was a pseudoscientific idea that our world is actually on the inside of a large sphere. The "sky" points inward towards the center, where the "Sun" (a light source) is, ...
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What technology is required to detect an underground civilization?
Suppose a world has huge underground caverns, capable of supporting large agricultural societies (something like described in Our Hollow Earth). What technological level, or better yet specific ...
user243