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Questions tagged [artificial-gravity]

Artificial gravity is the varying (increase or decrease) of apparent gravity via artificial means, particularly in space, but also on Earth.

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Permanent living on Maglev train on the Moon as a colony

NASA is considering a proposal to build a levitating train system on the Moon. The Moon's surface is often flat and smooth. Maybe building a mobile train colony similar to the movie Snowpiercer on the ...
estinamir's user avatar
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4 votes
2 answers
262 views

Will a human mission to Mars require artificial gravity?

Elon Musk and SpaceX are planning a manned mission to Mars as early as 2029. The mission timeline is unclear, but one proposal (page 16) from SpaceX, which uses Hohmann transfer orbits for minimum ...
Galerita's user avatar
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3 votes
3 answers
620 views

How do you design a spacecraft with a spinning section for "artificial gravity"?

Science fiction spacecraft sometimes have a section that spins to provide "artificial gravity" through centrifugal forces. I'm thinking in particular of the Discovery spacecraft from the ...
John McCarthy's user avatar
-4 votes
2 answers
225 views

Why does centrifugal force cause gravity?

I have read several space books on processing resources in space. They talk about using distillation by rotating a section. WOuldn’t the centrifugal force cause the mixture to separate by its self? ...
11111's user avatar
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1 answer
156 views

Non-spin space station at 1g?

The discussion about spinning space stations to achieve 1g artificial gravity is well known. What about space stations with constant linear acceleration of 1g at Earth orbit /assuming we have the ...
sea_for's user avatar
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2 votes
2 answers
236 views

Disadvantages of a short radius centrifuge for gravity simulation in space

For a free-floating space colony, what problems would the residents encounter if the radius of the centrifuge would be significantly less? I recently saw a video on this. It said that after a 10 day ...
Adhirath Patil's user avatar
6 votes
2 answers
392 views

How much gravity do Humans need?

My question is how much gravity do Human Beings need to be reasonably healthy long-term? I am aware that the current answer to this question is "We don't know", but I wish to know if we have ...
WhatIfEnjoyer568's user avatar
10 votes
4 answers
3k views

Is it possible for an Orion drive-based spaceship to experience smooth artificial gravity?

One of the problems of using an Orion drive or any pulsed based drive, is that the occupants will feel a sudden jolt of force instead of a smooth constant acceleration for artificial gravity. Is there ...
spaceamoeba1010's user avatar
6 votes
1 answer
617 views

Is there a name for this type of 'Spin Gravity' ship configuration?

I'm familiar with various proposed configurations for generating spin gravity from the Von Braun wheel, O'Neil cylinder, Bernal Sphere, the hamster wheel centrifuge of 2001's Discovery ship, the ...
BradV's user avatar
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10 votes
3 answers
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When staying indoors, can missing gravity be replaced with blowing air?

As I was watching Ad Astra (Great movie, but where does the gravity come from?), I had the idea that in a building or closed vehicle in a low gravity location, maybe air pressure could be used to ...
Antti Rytsölä's user avatar
18 votes
7 answers
9k views

Is the zero gravity experienced in ISS the "artificial" kind?

I always wondered about the following: An astronaut floating inside a spaceship that is far from Earth or any other other planet will experience true zero gravity because there is negligible ...
Sprout Coder's user avatar
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5 answers
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Besides health benefits, what are the advantages of including inertial gravity sections on spaceships?

Obviously, the benefits of building ring sections on spacecraft are pretty large when you factor in the detrimental effects prolonged stays in zero gravity environments (not accounting for radiation ...
W.Asp's user avatar
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Why has no space station or near-future space station use centrifugal force? [duplicate]

Since centrifugal force can be used to replicate gravity using the equivalence principle, why has no space station actually utilised this? When space station staff have to endure long periods of free-...
Stumbler's user avatar
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1 vote
1 answer
125 views

Query on artifical gravity via symmetrical tethered rotation

Has there been any consideration to the use of a tether between to identical space vehicles (e.g. two SpaceX Starships) to induce artifical gravity? I think you would need a diameter that could only ...
Rory Cornish's user avatar
8 votes
2 answers
840 views

What do ISS astronauts do while the ISS gets reboosted? [duplicate]

For its orbit to not decay, the ISS reboosts itself to higher altitudes once in a while. During the reboost, I wonder how much gravity is felt by the astronauts onboard, and what do they do to avoid ...
Giovanni's user avatar
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2 votes
1 answer
561 views

Why have we not seen spin gravity testing in space? Artificial gravity created through centrifugal/centripetal force [duplicate]

Why have I not seen any spin gravity testing in space? Or, more accurately, artificial gravity created through centrifugal/centripetal force. I haven't heard of any tests in standalone spacecraft or ...
Koon W's user avatar
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4 answers
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What happens if you jump on a "spin ship"?

If you're on a spin ship, or rotating wheel space station, and you jump, then you're no longer being accelerated by the rotation. What would happen? First, I'll establish some terms to make discussing ...
TheEnvironmentalist's user avatar
4 votes
1 answer
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Could artificial gravity on long space flights reduce deterioration of eyesight?

It has been found that micro-gravity adversely affects blood flow to the human eye. How will this problem be treated on flights to Mars, for instance? Rotating spacecraft, perhaps?
Daniel Starr's user avatar
3 votes
0 answers
127 views

Have there been any studies of designs beyond the basic elevator in a rotating wheel space station?

In the 1977 NASA publication, "Space Settlements, A Design Study," exploring the feasibility of the Stanford Torus it says "Elevators could also be used to travel through the spokes to the far side ...
Bob516's user avatar
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1 answer
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Artificial Gravity [closed]

Is it possible to make the artificial gravity for space station to work by using the Permanent Magnet (PM) technology to float/rotate and balance out the inner floor/living quarters to counter-rotate ...
Rodmant's user avatar
7 votes
1 answer
372 views

Would air circulate in a rotating station on its own?

I know air circulation was a tricky problem on the ISS . I think that in a rotating station the air would be moving with the station, but the air against the “floor” would be moving faster or have ...
oeste's user avatar
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0 answers
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Variable Gravity, how long in each?

Centrifugal force can be used to simulate gravity in space vehicles. Assume the "gravity" in our space vehicle can provide environments ranging from 2 gravities to none (micro), either by changing ...
James Jenkins's user avatar
2 votes
2 answers
207 views

Are large spin gravity spaceships practical considering strength of materials

Are spaceships using spin-gravity to simulate normal earth gravity on their inner surface practical considering materials available today (i.e., steel, carbon fibre, etc.)? Imagine the spaceship as ...
Tom Cumming's user avatar
2 votes
1 answer
178 views

Where should ion drives be placed on a rotating space station of the lop-sided dumbbell variety?

I have been working on a model of a proposed artificial gravity facility by Joe Carroll, based on this paper. It is an initial concept paper and it doesn't spell everything out, so I am trying to ...
kim holder's user avatar
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3 votes
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Are rotating habitats considered the standard solution for long-term human habitations in low-g environments?

It's long been proposed to build rotating colonies (ring worlds) in outer space. That concept can also be applied to surface colonies in low-g environments. (Luna is at 1/6th of Earth gravity; Mars ...
DJG's user avatar
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13 votes
3 answers
1k views

How would a drone work in centrifugal force generated "gravity"?

How would a hovering aircraft such as a drone operate on a rotating spacecraft that creates artificial gravity using centrifugal force? For simplicity, assume it's a drone on a space colony, similar ...
jekso's user avatar
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3 votes
5 answers
1k views

Do spinning space stations slow down without energy input?

One thing I always wondered was if a giant spinning space station that was providing artificial gravity would slow down without any energy input. I would assume that energy is being lost to heat as ...
Bert Haddad's user avatar
5 votes
2 answers
967 views

Could the BFR Tanker be used as an artificial gravity counterweight for interplanetary travel?

An alternative storyline to the Mars transport architecture: Tankers refuel starship, last Tanker gets mounted on the Starship for the Mars orbital injection burn, once on a Martian trajectory tanker ...
drandrul's user avatar
  • 658
22 votes
3 answers
3k views

Qualitative differences between gravity and a spinning habitat

I'm aware that living in a spinning habitat has a couple of noticeable differences from being on terra firma. For instance, running in the direction of the spin ought to make you feel heavier, while ...
Ingolifs's user avatar
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6 votes
3 answers
343 views

Creating your own artificial gravity by running. (Part 1 - the basic idea)

The main motivation for artificial gravity is the astronauts' health Usually artificial gravity is supposed to work by rotating the spacecraft. See diagram A. Wouldn't it be much simpler to simply ...
chasly - supports Monica's user avatar
4 votes
0 answers
97 views

Artificial Gravity - How much is needed per day?

Has any research been conducted or is anything known about how much time must be spent in 1G per 24 hours in order to preserve good health? Assume that this refers to an extended space-journey. The ...
chasly - supports Monica's user avatar
3 votes
0 answers
279 views

Proposed methods to use electromagnetic force to replace gravity beyond boots?

I have been wondering if there have been any serious proposed methods to try to recover some functions of gravity with electromagnetic forces for astronauts in space. Fields generated in the floor of ...
uhoh's user avatar
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1 vote
0 answers
65 views

electromagnetics as a form of Gravity [closed]

Wondering if anyone has ideas about creating an electromagnetic field in the Floor of an exercise room combined with clothing that is laced with metal strands. the intensity could be adjusted to ...
Douglas Woodbury's user avatar
5 votes
0 answers
117 views

Would Bigelow space stations work if rotated to achieve 1G simulated gravity?

Would Bigelow's proposed space stations work if two of them are connected by a tether and rotated to simulate gravity of 1G (or how much)? Would they hold up structurally? Would there be other ...
LocalFluff's user avatar
13 votes
1 answer
1k views

Radial variation of atmospheric pressure in rotating O'Neill cylinder-like ship? (Rendezvous with Rama)

Sir Arthur C. Clarke was a science writer as well as a prolific writer of science fiction (including hard SF*), and his stories usually had a substantial footing in science. His book Rendezvous with ...
Greg Hogue's user avatar
8 votes
1 answer
2k views

Can birds fly inside an O'Neill cylinder?

We know that birds can fly in a weightless environment from experiments with pigeons on the Vomit Comet. But on a very large O'Neill cylinder space station, could they fly the same way they do on ...
Janet's user avatar
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-2 votes
2 answers
196 views

Gravity on a spaceship

What if you lined the lower hull of a spaceship with osmium metal plating, would enough osmium plating create enough pull to simulate earths gravity?
David noisom's user avatar
3 votes
0 answers
271 views

What is the minimum diameter to spin a space station to generate 1 G without affecting human vertigo [duplicate]

Thinking about the mars mission. If we had 2 equal weight capsules, how far apart would they need to be to generate 1 earth gravity and not affect the crew. I know from riding the round up when i was ...
Keith Hanson's user avatar
0 votes
1 answer
139 views

Gravitational forces affecting acceleration on a space ship with artificial gravity [closed]

I and my brother are having an argument on gravity on a space ship. For this argument lets say, you are in a void. There are no outside gravity forces, ie planets or solar systems in the near region. ...
Glenn's user avatar
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6 votes
1 answer
1k views

Artificial gravity on Mars

It is well-known that the lack of gravity during spaceflight is a cause to many sorts of health issues. It is thus expected that Martian gravity (significantly lower than Earth's) will have influence ...
Everyday Astronaut's user avatar
6 votes
5 answers
689 views

Could an aircraft ever simulate Martian gravity perpendicular to the aircraft's floor?

Suppose I designed a complex, self-contained, robotic system to harvest and convert Martian atmospheric CO2 and ground H2O into rocket fuel (CH4 + O2) and after exhaustive computational fluid dynamic (...
uhoh's user avatar
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3 votes
1 answer
234 views

Is there a way to reproduce Earth-like gravity on a spacecraft close to a more massive body such as the sun?

My gut impression is that an orbit would negate the feeling of gravity, and that if gravity were to be felt, it would indicate the orbit is decaying; an orbit, in effect, is the speed (or is it ...
wtr's user avatar
  • 133
5 votes
2 answers
3k views

Why do space settlement designers use tori instead of cylinders for space settlements?

Almost all space settlement designs featuring artificial gravity by centrifugal force use the inner side of the outer part of the torus: Why is it that I see hardly any cylindrical-shaped artificial ...
user avatar
9 votes
3 answers
4k views

Is is possible to generate centrifugal gravity by doing donuts?

With the correct rocket setup would it be possible to thrust around in a circle, like you would do donuts in a car, to generate centrifugal gravity?
zoplonix's user avatar
  • 946
4 votes
1 answer
416 views

Artificial planet

If we have discovered artificial gravitational force, will we be able to create an artificial habitable planet in our solar system? E.g., if a rotating cylindrical object in space can produce ...
user1161925's user avatar
2 votes
2 answers
690 views

static energy artificial gravity

We did this expariment at home. It was a lot of fun. But it got me thinking. The water in this picture is atracted to the balloon because of static. so couldent a simular principle be used to creat ...
Hashbrowns's user avatar
0 votes
0 answers
170 views

Linear acceleration used for artificial gravity. [duplicate]

If we could actually get to the point where technology allows us to accelerate to 1 g for more than a few minutes, would that acceleration still need to be constant? Since a spaceship can't slow down ...
user19543's user avatar
14 votes
2 answers
6k views

Was the Space Shuttle ever rotated to induce artificial gravity?

The Space Shuttle was a fairly compact transportation vehicle in terms of the amount of space available for astronauts to move around. Did they ever attempt to roll a Space Shuttle to induce ...
user avatar
-2 votes
1 answer
368 views

The best shape and orientation for a space station

If you build a space station in the shape of a cylindrical wheel and construct it so that it spins around a central docking point in order to create artificial gravity would it be logical to orient ...
Tian's user avatar
  • 51
6 votes
2 answers
2k views

What is the gravity inside a rotating cylinder?

There is the popular question “What is the gravity at the center of the Earth?”. And the answer is zero, because the forces cancel out. And then the gravity increases linearly as you move to the ...
Gale Staneva's user avatar