Questions tagged [space-constructs]

For questions regarding artificial structures that exist in space.

Filter by
Sorted by
Tagged with
7
votes
4answers
233 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 ...
1
vote
2answers
60 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 ...
2
votes
2answers
104 views

What is the force of impact for a failing space elevator given the following conditions?

The local sapient species on a relatively Earthlike planet has constructed a space elevator. It is anchored along the equator. Due to unfortunate circumstances (and potentially divine intervention) ...
4
votes
2answers
171 views

Would it be possible to build numerous spaceships that could transport 10 million people in the late 2100's?

The crafts would have to contain large farms in order to sustain the immense amount of people, and they'd obviously have to be large and spacious to have good living conditions. I did some research, ...
3
votes
1answer
157 views

Science of Green Lantern and solid light constructs

Many know that the Lantern Corps of DC Comics are capable of constructing objects of any shape or size out of hard light using their power ring fueled by their emotions. However, I'm wondering what ...
6
votes
11answers
486 views

Building a spaceship alone in the wilderness

I am currently working on a character backstory for somebody whose fictional character gets sent back in time an era before his species existed (essentially to bronze-age times or even earlier, it's ...
2
votes
3answers
112 views

Is it theoretically possible to design wormhole gates for space travel? [closed]

In the story I am writing I would like space travel to be as realistic as possible. Wormholes are a theoretical possibility but they are incredibly unstable as well as difficult to manage, but they ...
5
votes
1answer
111 views

Can multiple space habitats be joined by tubes?

I wanted to create an extremely large space city which will be made up of many different large space habitats of ringed and cylindrical varieties. Although each habitat will contain its own city or ...
6
votes
6answers
237 views

How to allow a cylindrical habitat (O'Neill or McKendree) to radiate heat to space?

Background I am trying to find a design for a cylindrical habitat that would allow the enclosed cylinder to radiate heat out to space as does the Earth without using mirrors and windows. Problem In ...
-2
votes
1answer
82 views

What’s the energy required to traverse through dimensions

Say in the future, humanity has developed technology to the point that it allows them to traverse through other universe, each universe having something either drastically different or not so ...
4
votes
2answers
233 views

How does one calculate the diameter of a 'space fountain'?

I need to know how wide the diameter of a space fountain's* particle stream is in relation to the mass it's trying to support. It would have to lift its mass at least 40000 kilometers. The vacuum ...
1
vote
1answer
110 views

How massive can a structure get on the inside of a Mckendree cylinder?

Background A McKendree cylinder is a rotating cylindrical space habitat comparable to the more well known O'Neill model. It was proposed by NASA engineer Thomas McKendree in 2000 as an update of O'...
5
votes
3answers
209 views

Low gravity space shipyard vs micro gravity shipyard

If you had a device, similar to a Stargate, but that allowed seamless two way transfer, and that could be moved (You could essentially strap a rocket on it, and fuel it from Earth), you could just ...
1
vote
2answers
117 views

Orbital tether snap like a rubber band?

Let’s say a few centuries in the future, we have captured an asteroid into orbit and built a space station out of its material. The station is a ring that encircles the equator in Low Earth Orbit, ...
3
votes
2answers
215 views

How do you get steel outside Earth?

I'm looking for a more economical and efficient method of making steel for my project Death Star Unlimited, a mega infrastructure orbiting Mars with a mass of 500,000,000 metric ton give or take 1%. ...
4
votes
2answers
130 views

Space elevator off Europa without running into a nearby moon?

Would it be possible to build a space elevator off Europa? (The space elevator would only be for the purpose of getting items out of Europa's gravity well relative to Jupiter. At that point, the ...
26
votes
18answers
7k views

What measures to put in place to reduce airlock being used for murder?

Consider a futuristic world where space travel and colonisation of the solar system's planets is an everyday reality. In space vessels, the airlocks are used quite often to execute people. It's fairly ...
3
votes
6answers
594 views

Artificial lighting for a closed O'Neill cylinder

I am struggling to picture what placement of artificial lighting I should use for my O'Neill cylinder design for the daylight hours, a strip light along the centre of the cylinder would obstruct the ...
7
votes
4answers
254 views

How could a skyhook stay in orbit with no human involvement for thousands of years

In the story I'm writing, three humans with stone-age technology and no knowledge of space accidentally awaken thousands of cryogenically preserved humans. These humans immediately get to work on ...
3
votes
1answer
94 views

Can a planet's artificial ring always face the sun?

A habitat/space harbor ring encircles an ice giant crossing both poles (polar orbit) and rotating to create artificial gravity. Can the ring also precess in synchronization with the planet's year, so ...
2
votes
1answer
112 views

How much sunlight can I get into my O'Neill cylinder and how much light needs to be artificial?

The cylinder is 32 km long in total, 8 km in diameter, with 3km long endcaps, resulting in a habital area with a length of 26 km (= and an area of cirka 754 km2). The main body of the cylinder is ...
1
vote
1answer
73 views

Speed of elevator on rotating wheel space station

Assuming a passenger was sitting in an elevator in a rotating wheel space station, as depicted in the movie 2001:A Space Odyssey and based on this question Elevator on rotating wheel space station, ...
10
votes
3answers
368 views

Hurricane-force winds or gentle breezes in an O'Neill Cylinder?

Let's consider an O'Neill cylinder with a radius of 3.2km and length of 20km. In the classic O'Neill design, we have three large axis-aligned windows in the shell, alternating between purlins of ...
4
votes
4answers
3k views

What would happen if the ISS made an uncontrolled re-entry through Earth's atmosphere? [closed]

Total annihilation? Global impact? Localised consequences? To give my question a little more context: the International Space Station (ISS) is supposed to be retired sometime in 2020 due to having ...
3
votes
2answers
119 views

Would the Earth appear to be spinning off center when viewed from geostationary orbit?

In 2001:A Space Odyssey, from Space Station V the Earth appears to be spinning around a center that is near the edge of the planet. Phone call from space station scene If the same station (300 meters ...
2
votes
2answers
66 views

Transmitting energy from the upper part of a space fountain using the stream of rotating masses

Imagine we have a sufficiently tall space fountain positioned at either of the Earth's poles, such that the upper station is permanently within view of the sun. A large array of solar panels could be ...
0
votes
0answers
64 views

Would bow shooting work different in an O'Neill cylinder? [duplicate]

The setting takes place in an Island 3 O'Neill cylinder. All type of bows included. I wonder if there are things to take into consideration when describing how a person would target and shoot, as well ...
5
votes
3answers
235 views

Is it possible to have multiple different climates within one O'Neill cylinder?

The illustrations of O'Neill cylinders I have come across with so far allow unrestricted view through the whole tube. Some are more playful with topography but still, there is a visible end. Are ...
7
votes
2answers
170 views

Would a Hot Air Balloon work in an O'Neill Cylinder?

We had a long discussion in my office about this - if we were in a smallish 500m diameter O'Neil cylinder would hot air balloons work?
-3
votes
2answers
175 views

What rare elements would be most needed in building a space station beyond the Earth?

If people were attempting to build a space station beyond the Hill Sphere, (outside of the area where Earth's gravity dominates), and wanted to mine the raw materials for the station from dwarf ...
3
votes
2answers
180 views

Explain the rotation and positioning of O'Neill cylinders to me

I have seen Isaac Arthurs video of O'Neill cylinders and read through many descriptions, but it still is not clear to me how exaclty the two counter-rotating cylinders are placed in regard to another ...
5
votes
1answer
148 views

Effects of dropping in and out of zero G on a space station

I'm writing a book that involves having a space station that acts as a way point between Earth and a new planet. (Hard"ish" SF, or as "Hard" as I can make it...) The Station sits at the mouth of a ...
5
votes
2answers
199 views

How Close Can We Build Solar Collectors to the Sun?

Say you've got a space-faring civilization that needs a LOT of power. Sure, fusion is a thing, but there's really not that much helium-3 to be found in our solar system, and it's hard to get. So the ...
3
votes
4answers
194 views

Mobile/Deployable Space Elevator? [closed]

Would it be possible to have a space elevator that could be coiled up stored in a ship during transport and then deployed from orbit down to a planet upon arrival? Additionally, About how much ...
4
votes
6answers
708 views

How to determine port and starboard on a rotating wheel space station?

The ISS uses port and starboard to differentiate between the two sides of the station. (The Harmony node photographed after it was attached to its temporary location on the International Space ...
2
votes
1answer
98 views

Protecting a ringworld from solar radiation

How can I protect a ringworld (which creates 1g artificial gravity and has an earth-like atmosphere) from the things that earth's magnetic field protects us? (using real-world physics)
11
votes
4answers
717 views

Life on the Broken Ring - an issue of size

One of my ongoing projects is what I think of as the "constructed worlds gallery", a series of Megastructures as settings for stories and games, including things like the "Flying Pie-plate" a world ...
5
votes
3answers
250 views

Elevator on rotating wheel space station

Is there any reason an elevator, moving from the central hub to the outer ring, would not function on a rotating wheel space station with artificial gravity? Any parameter of the radius or rotation ...
9
votes
4answers
444 views

Vertical cyclones in a rotating space habitat

A common, matter-efficient, science-fiction habitat is a hollow cylinder or ring in space that is spun to simulate the pull of gravity on its interior surface. While for most purposes this artificial ...
15
votes
1answer
329 views

What would happen to air flow and fires in an O'Neill cylinder?

I was curious: Suppose we built an O'Neill cylinder with an air mixture similar to Earth's (not pure oxygen). Does the air also get "thrown" down towards the floor of an O'Neill cylinder? If I ...
0
votes
1answer
166 views

Most dangerous place on a rotating wheel space station? [closed]

I'm assuming a recovery and launch bay, where ships enter and leave the station, would be the most dangerous place on such a station. While it wouldn't be nearly as dangerous as the flight deck of an ...
3
votes
5answers
177 views

Axis of rotation of a wheel space station [duplicate]

Is it possible for the axis of rotation of a rotating wheel space station in orbit to be aligned with the center of the Earth? I'm wanting a situation where a person on the station could look out one ...
3
votes
5answers
210 views

Zero G area on rotating wheel space station

If I needed a large area for zero-G training, is there any place to put it on a rotating wheel space station if the hub was needed for docking of spacecraft? I wanted a place on the station that ...
3
votes
3answers
149 views

Launching spaceships from the outer edge of a rotating wheel space station

Based on Docking on the outer edge of a rotating wheel space station would it be impractical to launch ships off of the outer edge of a rotating wheel space station? Whether launching the ships along ...
4
votes
2answers
220 views

Docking on the outer edge of a rotating wheel space station

Assuming such a space station needed to have its central hub not used for docking spacecraft, would it be plausible for a spacecraft to dock on the outer edge of a rotating wheel if the ship ...
5
votes
4answers
235 views

Military academy in geostationary orbit

Say a novel is set 100 years from now, when a confederation of nations establishes a unified military force. (Yes, I know, but this is fiction after all) Would a military academy, training astronaut ...
3
votes
1answer
132 views

Inner ring on rotating wheel space station?

Could Space Station V, from 2001: A Space Odyssey have an inner ring? Would the inner ring have a different G-force if the inner ring was halfway between the outer ring and the hub. Would there be ...
2
votes
4answers
248 views

Solar panels on rotating wheel space stations

What would be the best configuration of solar panels on a rotating wheel space station? I am thinking about Space Station V design and dimensions. Space Station V comes from 2001: A Space Odyssey. ...
7
votes
1answer
1k views

Could a rotating ring space station have a bolo-like extension?

If the outer ring of a rotating space station was producing the equivalent to 1G, but a higher G was needed could in small modules, could a bolo-like attachment be included with the ring to accomplish ...
9
votes
6answers
560 views

Could we build a massive “Ark” type space station with current technology?

Armageddon is coming. A giant Texas-sized meteorite on a collision course with planet Earth is discovered in 2020. It will hit Earth in 2030 and will wipe out 90% of living things including humanity. ...

1
2 3 4 5
7