Questions tagged [space-constructs]

For questions regarding artificial structures that exist in space.

Filter by
Sorted by
Tagged with
7
votes
4answers
348 views

How best to arrange a network of light-focusing satellites closely orbiting the sun

It is the not-too-distant future in an alternate timeline, and humanity has tripled-down on solar power. We built a network of solar focusing satellites that orbit Sol at close range (so they can ...
3
votes
5answers
1k views

Why does my arcology let light in, when it was originally a sleeper ship

In my story the protagonist lives in an arcology, but this is not just any arcology. Over a 100 years ago, a global war fought between those who sided with a massively distributed and rather 'insane' ...
6
votes
2answers
569 views

How would a dirty space station with no artificial gravity look?

Just a weird question that popped in my head, but since the only real space station in existence always keeps itself squeaky clean, I wonder how one that doesn't have cleanliness as high priority ...
6
votes
4answers
198 views

how would a semi-permanent colony orbiting Jupiter protect itself from radiation?

It seems like the Jupiter system is especially attractive in terms of natural resources, and while I assume the majority of any extraction labor will be performed by machines, I also figure there will ...
4
votes
1answer
86 views

Dyson swarm and Coronal mass ejections - generating electricity

This is the second of two questions. Same introduction. A civilisation on Earth has just begun expanding with a Dyson swarm, which is a Dyson sphere but made with many satellites, to prevent ...
6
votes
4answers
213 views

How would a civilization protect a Dyson swarm from solar flares and coronal mass ejections?

This is the first of two questions. Same introduction. A civilization on Earth has just begun expanding with a Dyson swarm, which is a Dyson sphere but made with many satellites, to prevent structural ...
1
vote
1answer
88 views

Hypothetical Material used to construct shell for (this) shell world

Hypothetical materials used to construct (this) shell world As there are multiple definitions for shell world, this needs some clarification. In this case, a shell world refers to a body with the ...
-1
votes
4answers
164 views

How much engineered “sand” I would need to build an Orbital Tower that reaches the ISS?

Well, I do know that there are questions about space towers that have already been asnwered, however, none of them with today's technology, such as engineered sand. "Sand Castle Holds Up A Car! - ...
14
votes
11answers
2k views

What will it take to get 1,000,000 people living in space habitats?

Sure, land is expensive here in downtown Metropolis, but lots of cheap land to build on even a few dozen miles out, never mind in the backwoods, or in flyover agricultural lands that rich, self-...
9
votes
8answers
2k views

How long will it take for the off-World population to exceed Earth's population?

As I type these words in March 2021, there are numerous private companies developing engineering solutions for reliable, high-capacity and relatively cheap access to space. At this point in time, it ...
-2
votes
3answers
342 views

A big primitive computer in orbit, very big, powerfull but old technologies from 80's, what is a potential fiat money value for its use? [closed]

This question about the economy of technological solution, there 800 of such on wb Was looking for materials for the answer to the question Semiconductor foundries are a thing of the past. Rebuild the ...
1
vote
3answers
134 views

Kessler Syndrome, but with extremely small particles

Congratulations! You're the new leader of the future UN(Unified Earth Country governing body), and you want to push for space travel for all. But at this point(in the futures), centuries of space ...
13
votes
9answers
5k views

I want to build a weapon targeting Interstellar distances. How viable are railguns?

I am in a timeline which would be tens of thousands of years advanced from yours, and humans have colonized a significant portion of the stellar neighborhood, multiple thousand light-years across (...
1
vote
0answers
55 views

Would it be possible to mine the metallic hydrogen from jupiter with our current technology? [duplicate]

Simply put, metallic hydrogen is obtained at absurd atmospheric pressures, becoming a stable liquid with very interesting properties. As a super conductor or simply the most efficient fuel that ...
1
vote
0answers
56 views

Space Hotel - Amenities [closed]

What luxury amenities could a hotel in space offer (that obviously weren't available on Earth) that patrons could experience within the hotel or within their rooms for the right price? Specifically, ...
3
votes
1answer
159 views

How much would take and cost to construct a building/tower that reaches space? (with todays technology) [duplicate]

I am aware that there is a concept called "space elevator" that would be a much cheaper and more efficient option of reaching space with a construction (even though we don't have the ...
12
votes
7answers
6k views

Could I build a stairway to Heaven?

There’s a song called "Stairway to Heaven". I thought I could write a story with it as inspiration. Could I build a stairway to Heaven? It must be possible to walk up the stairway. It should ...
8
votes
7answers
1k views

Most efficient and feasible non-rocket spacelaunch methods moving into the future?

I'm writing a novel that takes place in a future where we've just begun to go interstellar, but the costs are still quite high and the purpose is definitely scientific study, exploration, and so on. ...
11
votes
3answers
437 views

How much of the sun's light would have to be blocked for the Earth to become uninhabitable?

For context: I'm writing a story where the main antagonist is an empire that builds Dyson swarms around every star they can get their hands on. The protagonist lives on a planet around one such star, ...
3
votes
2answers
278 views

How do you counter the wobble of spinning ring world filled with ocean? [closed]

I imagine a bicycle spoke rim scaled up a thousand time orbiting a star, the side of rim facing the star will experience more pull therefore more water... assuming its spin axis is along the orbital ...
1
vote
1answer
164 views

Does my “Bombardment cruiser” make any sense?

In my universe 500 to 700 years the navy is deployed to eliminate the cult stronghold on the planet of OgallyBoogally. The bunker is a kilometer below the surface and covered by lots of armor and ...
2
votes
1answer
162 views

Simulated warship quarters?

This universe is 500 to 700 years in the future. Navy vessels are a kilometer long cylinder with rotating hab rings. The main cylinder is basically a railgun, reactors and a bunch a nuclear missiles. ...
5
votes
3answers
266 views

How would you design a space station able to ricochet off railgun bullets?

In space somewhen in the future there's need to build a space station able to sustain heavy railgun fire. How would you design it? I was thinking about building something similar to a 17th century ...
3
votes
0answers
78 views

Applications of Chameleon Particles: Space Constructs [closed]

Dark Energy is a very strange force, and one of the theorised carriers of this force is the Chameleon Particle. To describe its effects, due to its non-linear self-interaction, it has a variable level ...
1
vote
2answers
126 views

When can I have my megastructures? [closed]

I'm building a science fiction setting. The present is just like ours. Some time in the middle of the 21st century, humanity invents technology that allows travel to nearby stars within months. By the ...
3
votes
1answer
109 views

Is the way I've spun up an asteroid structurally realistic?

In my world, I have an asteroid station that was spun up to produce artificial gravity. Characteristics: The asteroid is treated as cylindrical, with a radius of 1.5km and a length of 5km. Assuming a ...
2
votes
2answers
215 views

Would it be possible to have an O'Neil cylinder used as a water “world” nature preserve?

Would it be possible to have an O'Neil cylinder large enough to house actual oceans and creatures like whales? What might the energy requirements be to construct this?
6
votes
2answers
231 views

Effect of a destroyed orbital ring falling down on the planet [duplicate]

I'm working on a story where an orbital ring situated in LEO above the equator of an earth-like planet is destroyed which is a calamity for the species that used it. The ring is essential for them and ...
4
votes
1answer
180 views

Space station design for long-term safety and durability

Notes: I am not using the hard-science tag for now because I do not want to restrict your imagination. However, I will add it if I get mostly speculative answers with no support in actual science. ...
22
votes
11answers
5k views

How hard would it be to find something in the void between solar systems? [closed]

So, assume that there's a superstructure roughly the size of Pluto (~1,475 miles in diameter is the figure I found) that an organization doesn't want to be easy to find. Hiding it in the void between ...
10
votes
13answers
5k views

Is a space station using a Dyson sphere like structure to power itself invincible? [closed]

Let's assume we have this super advanced civilization that actually goes around making Dyson spheres around stars. The purpose of this is to capture all the energy of the star and be a hub of the ...
4
votes
3answers
159 views

Would a laser relay work better on the surface of an airless body or in orbit?

Background: In the early 22nd century, a laser station has been established on Uranus' moon, Cordelia to shoot chunks of frozen deuterium into the inner solar system for fusion fuel. However, the ...
18
votes
9answers
5k views

What is the largest 'hollow' space structure that can be created?

After reading the following question about anti-gravity, I wondered what the largest hollow structure you can make in space is. None of the questions about hollow earth seem to answer this. To put it ...
2
votes
3answers
231 views

The most efficient spaceport

In my works of worldbuiling I have constantly come across the problem, How to depict and create the most efficient spaceport possible for an interstellar, super advanced, space fairing species. ...
1
vote
5answers
289 views

Would it be possible to create a planet sized space station?

Would it be possible to create a planet sized space station, with technology levels close to Star Trek TNG, if so, how long would it take to make it? Think the Death Star and starkiller based from ...
0
votes
2answers
150 views

Why would someone purposefully cause a nuclear apocalypse? [closed]

In an alternate future, the cold war has never fully ended, as the soviet union never collapsed, but the two super powers have decided to work together in space, resulting in the construction of a ...
4
votes
3answers
193 views

Would O'Neill cylinders experience thunderstorms, if not how would you generate/simulate one?

ASSUMPTIONS The OC in question is a standard paired OC similar in size to Island 3 5 miles (8.0 km) in diameter and 20 miles (32 km) long. It is a temperate biome akin to southern France with some ...
7
votes
7answers
2k views

What would combat look like inside an O'Neill Cylinder?

Problem If you were attempting to take over an O'Neill Cylinder without destroying it or the majority of its inhabitants/ecology how would you go about it? What benefits or detriments to an attacking ...
3
votes
1answer
116 views

How to redistribute weight on an O'Neill Cylinder? [duplicate]

Problem With a rotating cylinder, applying weight to one side and not the other will cause it to rotate off axis and give it a 'wobble' likely causing undesired gravitational effects. Now clearly ...
2
votes
4answers
174 views

How long would it take to make three hundred spaceships and an orbital defense system? [closed]

I'm about halfway through a story I'm writing, where aliens invade, beat us up, one spaceship blows them all up, etc, etc, and everyone lives happily ever after. Except they don't. So after they chase ...
7
votes
4answers
275 views

Counterbalancing a Ringworld so it doesn't explode

Ringworlds are a bit of a SciFi staple but as they're commonly portrayed, the large ones have a major problem... they'd, well... explode if they were built out of materials that actually existed. This,...
4
votes
4answers
243 views

How to adapt the Royal and Ancient Game to Zero-G?

Golf depends on friction, which eventually stops a rolling ball. Air friction seems to not be enough for a golf course that consists of 18 holes with a total length of 1-2 kilometers. This is not the ...
2
votes
1answer
103 views

Weather forecast for colossal O'Neill cylinders?

I think we can predict with great accuracy what's the weather going to be in a small O'Neill cylinder since we get to control the humidity and air flows, etc but then a tiny variation in temperature ...
11
votes
3answers
1k views

How do oceans in an O'Neill Cylinder replenish dissolved oxygen?

I am concerned that the centrifugal force will draw out all the dissolved gases from the ocean in a colossal O'Neill Cylinder in the same way blood centrifuges do in lab. Fishes and most marine life ...
9
votes
3answers
249 views

Can various human-like aliens live together on a space station with a common atmosphere?

My idea is to build a universe with various alien species. There are dozens of different species and every species evolved differently on a different planet. The problem arises when they want to meet ...
8
votes
4answers
2k views

Which type of star would be best used for a Shkadov thruster to reach Andromeda as soon as possible?

I had Originally thought of using Nicoll-Dyson beams to propel probes and small ships from the Milky Way to as many galaxies as they can reach to turn stars in those galaxies into Shkadov thrusters to ...
5
votes
3answers
173 views

Could rotating “sub-cylinders” work on an O'Neill cylinder?

I'm working on an Alien-esque pseudo-cyberpunk space station. My idea for the station was a classic O'Neill cylinder with smaller "sub-cylinders" at 90 degree angles along the sides, each ...
5
votes
5answers
273 views

What method would an average human use to move in one-tenth of earth's gravity with no prior training?

You are standing near a wall in an enclosed space of 50m(L) x 50m(W) x 3m(H) at floor level with 0.1G gravity and earth normal atmoshere. You are of average height and mass. You are suffering from ...
7
votes
4answers
289 views

Space station scenario feasibility

I have settings with orbital colonies around the earth. First off my idea is, if it is not profitable we would not fund it en masse. Therefore I came up with the idea that in the future we discovered ...
0
votes
2answers
79 views

What new types of environments are possible on an intelligently designed habitat? [closed]

Humans have taken the stars and are capable of building pretty much anything they want(but the laws of physics are still the same), and a group of them decide they want to make a habitat with a ...

1
2 3 4 5
8