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Questions tagged [space-elevators]

For questions about the structures that move people and things into orbit by climbing a cable that runs out past geostationary orbit. Literally an elevator into space. Also called beanstalks, skyhooks, etc.

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671 views

In extreme cases, can skyhooks or space elevators be used to funnel extreme planetary heating

Assume a world in a distant (2100+) future. Assume an exponential construction rate (1, 2, 4, 8 etc.) in skyhooks/time. Assume significant solar system exploration and industrialization. Assume ...
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4answers
295 views

Wouldn't planetary rotation reel in the space elevator's counterweight? [closed]

I have a question about space elevators. With the rotation of a planet, what would prevent the scenario where the orbital space station is the fishing hook or weight, the elevator is the fishing line, ...
4
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5answers
228 views

What is the feasibility of a space port?

Let me explain what I mean by space port. I'm playing with the idea that mankind has finally built the space elevator. After the first space elevator was built, the other space elevators were far ...
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5answers
1k views

How fast would a Martian space elevator travel?

READ EDITS I am writing a passage about the main character of my book travelling up a space elevator to the spaceport that rests in geostationary orbit above Mars. This means that the elevator would ...
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1answer
149 views

Could a natural satellite in geosynchronous orbit be used as a counterweight to a space elevator?

Could a natural satellite in geosynchronous orbit be used as a counterweight for a space elevator? Does the counterweight need to be of approximately the same weight as the anchor? If so, I suppose ...
7
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5answers
384 views

How high would a space elevator need to be on Mars?

So I have been doing a lot of reading on space elevators/tethers for a SciFi book I am writing and unfortunately there doesn't seem to be a whole lot of info on building one on Mars rather than Earth ...
3
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3answers
418 views

Space elevator into a blackhole. Possible?

Inspired by Spaceship orbiting a black hole under the event horizon - a prison where no one escapes, I was wondering if it is possible to make a space elevator that goes down into a black hole. In ...
3
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6answers
274 views

Does it makes sense to build a “space tower” in Indonesia and Brazil?

I wanted to make a setting that has a "space tower" of some kind, not necessarily a space elevator (it might be a fountain for example, or even just a gigantic upward pointing mass driver). It makes ...
16
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6answers
3k views

What color is a space elevator?

Consider a space elevator, a thread hanging from the heavens and being anchored to a spot in ground or sea barge at equator. As I understand it, it'd be very thin at ground and get thicker on the way ...
2
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2answers
298 views

Is a space elevator with wings feasible? (engineering, not economic concerns)

Consider a very conveniently placed asteroid in orbit around the earth, and we hang the space elevator off of that. It doesn't have to be at the geostationary altitude but it would probably help if it ...
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2answers
190 views

Elevator to the Moon

Inspired by https://worldbuilding.stackexchange.com/a/30400/3434 Related but too different in details for answers to apply Why not build a space elevator starting from the moon? As answered in the ...
6
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3answers
448 views

Elevator through the earth? Yay or Nay

Grab the popcorn ladies and gents, I'm gonna talk about a movie real quick. In the movie Total Recall (2012), the main character and his friend step into a huge earth elevator/public transportation ...
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3answers
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Why not build a space elevator starting from the moon?

Anchor one end of the cable to the side of the moon that faces the earth. Drop the other end of the cable to earth so that it drags along the ground. The earth's gravity and friction contributes a ...
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5answers
724 views

From how much of a planet's surface will the Space Elevator be visible?

On Earth, from how much of a planet's surface will the Space Elevator be visible, as in "a prominent object in the sky"? The simple geometry seems straightforward: If we assume the elevator ...
4
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1answer
213 views

What would a space elevator on the moon be made out of?

Okay, so some space miners fly into space to get Helium-3, and then fly it back to earth to sell to non-space people. Flying into and off the earth is rather expensive, so they want to simply take an ...
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11answers
3k views

How to protect a space elevator against terrorism

We have built a space elevator using carbon nanotube. The cable is just strong enough to sustain the counterweight, with a narrow margin to survive storms. PROBLEM: Terrorists of the Spaghettic State ...
6
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2answers
379 views

What forces should I consider for my hotel room on the Space Elevator?

I asked a similar question (in a SpaceEx manner) on Space Exploration, but here I've made it a bit more ... worldbuilding. We have a nice Space Elevator, and I'm in charge of the luxury guest ...
35
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3answers
5k views

Can I build a space elevator from superman's hair?

In Superman IV: The Quest for Peace (imdb) a single strand of Superman's hair is seen suspending a 1000lbs weight. Is is possible to build a space elevator from strands of a super strong human-hair-...
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4answers
511 views

Is someone travelling on a space elevator/escalator possible?

Let's assume that there is a way to travel into space that's not in a rocket, and a human can essentially just walk/be carried into the upper atmosphere and beyond. Would there be anything that, ...
11
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7answers
3k views

To build a space elevator

One fine day, magical space aliens arrived and launched and harpooned an extremely long(100,000 km) and thick(100km radius) spear into somewhere in equatorial Africa, which buried and anchored itself ...
20
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8answers
8k views

Where to Anchor My Space Elevator

Thanks to the recent discovery of handwavium ‡ filaments that can in principle be extruded to any length, we will be able to build space elevators sooner than most people would expect. The ...
9
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2answers
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Economic and geopolitical effects of building a space elevator?

Most interested in effects during the first <75 years. Things to consider: What type of organization is building the space elevator? How is the service sold/rented? What is its maintenance/...