Questions tagged [artificial-gravity]

Use this tag to refer to mechanisms used in science-fiction works altering or creating gravity. Can be used in conjunction with the [gravity] tag.

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What is the acceleration for different crews in the Expanse?

In the Expanse, gravity is created by accelerating / decelerating the ships. Humans from Earth are used to 1G, inhabitants of Mars about 0.4G and Belters even less. We've seen in S01E01 of the Expanse ...
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8 votes
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Did Kubrick take care to get the strength of artificial gravity correct in "2001: A Space Odyssey"?

This answer in Space Exploration SE has got me wondering how careful and meticulous Kubrick was about getting the diameter and speeds of rotation for the two major instances of artificial gravity ...
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3 votes
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Short story: Mindset of believing something is possible (even if not true) influences the outcome [duplicate]

Trying to find what I think was a short story, probably written 30 or more years ago. Synopsis, to the best of my recollection: Organization (military?/government?/corporate?) shows film of an ...
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Why can characters walk/run on space ships in Gundam?

I was watching Zeta and realized that characters seem to walk or even run around fine for the most part, but then when they need to move quickly or ascend, they simply jump and float to where they ...
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Why did Alara have to go home?

In Home (Season 2, Episode 3 of The Orville) Alara is diagnosed with a bone/muscle mass deficiency that is attributed to her living on the Orville and away from her high gravity home world. The ...
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Why is the crew of spaceships exposed to quakes and trembles in a battle?

One staple of science fiction (particularly if you look at Star Trek in all of its incarnations) is that spaceships are equipped with artificial gravity; a second one is that each time a ship is hit ...
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What's the gravity maintained in Ceres?

I've just watched the first episode of The Expanse. I notice in a couple interior shots set in, I presume (by political content) Ceres, the producers/director took care to include a small bird, which ...
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How are (landing) doors kept open in Star Wars? [duplicate]

My question is a possible duplication but I am trying to be specific from this question "How does gravity work on Star Wars ships?" My question is when space ships are docking into big stations like ...
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7 votes
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Which Sci-Fi work introduced the concept of "Artificial Gravity"?

We see Artificial Gravity all the time. In fact, it's so common in Sci-Fi world that I don't think I need to give examples. Here, Artificial Gravity means a force similar to gravity, but without ...
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7 votes
3 answers
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Independence Day - Why is there gravity in space?

In the 1996 Independence Day movie when we see Jeff Goldblum's and Will Smith's charcters flying into space in order to transmit a virus, there doesn't seem to be anything floating around as you would ...
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In The Expanse, how does rotating Eros create gravity?

On various occasions in The Expanse TV series, it's mentioned that the asteroid Eros has artificial gravity. As explained in-universe, the gravity comes from rotation. This is especially mentioned on ...
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Why is there gravity in the pod bay on Discovery One in 2001 and 2010 movies?

In both movies, 2001 and 2010, we see people walking in the pod hangar bay aboard the Discovery One. The only part of the ship that has artificial gravity is the centrifuge wheel, so how can people ...
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Why Don't People Float while on Starships In Star Wars? [duplicate]

In every scene from Star Wars, where people are in a space shuttle, flying through space, they appear to be under the force of gravity, as if they are on a planet like earth... If they were truly in ...
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Is there any explanation as to why small scale vehicles—such as X-Wings and T.I.E. fighters—in “Star Wars” have gravity?

I realize there are questions focusing on how gravity works on the Death Star as well as moderate sized spacecraft like the Millennium Falcon—where you can stand up and walk around them—in the Star ...
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How does gravity work on the DeathStar? [duplicate]

The Death Star is spherical, and as big as a moon. It has a gravity generator, but how does it work ? Which one of the case below (Fig.1 or Fig.2) is the correct one ?
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Can't remember book or author for anti-gravity ship

I read a short story or book once that used a lens to focus gravitational waves from a distant object to overcome the local gravity. For example, if the ship was on earth, one could focus the lens on ...
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42 votes
2 answers
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Why does Deep Space Nine spin?

In DS9: Afterimage Ezri Dax is suffering from a bout of 'space sickness' and asks Sisko if Chief O'Brien can slow down the spinning of the station. EZRI: Do you think the chief could adjust the ...
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Why isn't the Gravity Machine ever used as a weapon?

In Dragon Ball, the Z Fighters train under high artificial gravity to be extremely strong under normal gravity. I don't recall the Gravity Machine having an upper limit to its effect, though, and ...
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19 votes
2 answers
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Why not increase gravity when an intruder is on board

I apologize if this has been asked before but: When an intruder is on board the classic approach is to chase after them and throw up a few force-fields (which usually gets bypassed). Why not just ...
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Are repulsorlifts anti-gravity?

I know this sounds like a stupid question, but I just wanted to confirm if they are the same thing. In new canon, anti-gravity is never mentioned.
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Is there any advantage to the design of Yorktown Station from Star Trek Beyond?

I've only seen the movie once, so far, but the design of the Yorktown station seems to be totally absent of any practicality. The vast majority of the station is open air. That doesn't seem smart. ...
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Looking to identify a children's novel in which stowaways eventually crash on the moon

I'm trying to remember the title/author of a juvie SF novel from the mid-late 50s. There are two kids who sneak out every chance they get to watch rocket launches. These are multi-staged things with ...
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2 votes
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How does Finn sit in the gunner seat with gravity affecting him [duplicate]

I'm thinking that if Finn is sitting in the Millenium Falcon and then runs to the lower turret, then as he sits in the chair for the lower turret, he is literally facing down. This means gravity from ...
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2 votes
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Why change the artificial gravity orientation on the Death Star's different sections?

From How does the Death Star gravity work? we learn that: Gravity within the battle station was handled by omni-directional gravity boosters built into the decks, walls and ceilings. These gravity ...
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How does gravity work on Star Wars ships?

Inspired by the question How does the Death Star gravity work?, how does gravity work on the Millennium Falcon and other ships its size? The passengers are not strapped in and regularly move around ...
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How does the Death Star gravity work?

As we all know the Death Star is spherical. I don't know if it generates gravity on its own or has a gravity generator, but that's not important. I think we have basically two scenarios: Gravity ...
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In Aurora, why was the shipboard gravity increased to 1.1g?

In Kim Stanley Robinson's Aurora: (book ending spoiler)
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8 votes
1 answer
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How fast did Babylon 5 spin or what was the highest gravity level on board?

Babylon 5 had a diameter of 840 meters. If the gravity was 1g, it would have to spin approximately 1.5 times per minute. How fast did it spin or what was the actual "gravity" on board? Are there any ...
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5 votes
1 answer
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Dead oceans, robot factory farms and freighters, personal anti-gravity transportation devices

This is one I came across in a different forum that has gone unanswered for a long time. Anyone here have any ideas? Information from original post follows: There was a sci-fi novel of standard ...
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Why do they never turn the gravity off?

In Star Trek it seems that they almost always have artificial gravity. The idea of not having it is shocking, even though my 21st century mind relates it directly with space. Here are a few examples: ...
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Book about government department controlling the release of advanced technology

I read a book a few months/years/lifetimes ago. To be fairly specific about it, without giving away the plot, it's about a scientist and his team that discover how to create and control gravity and ...
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7 votes
2 answers
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Do we ever see a 0-G environment on a Holodeck?

I was reading the TNG Bible and found the following excerpt about Holodecks: In the holodecks, almost any kind of recreation, training or exercise can be simulated, especially since these same ...
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2001: A Space Odyssey book physics

There's a passage in 2001 that struck me as wrong. They're describing the spinning of the carrousel in Discovery and there's the following quote. The problem of shaving was also solved; there would ...
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15 votes
1 answer
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Book about an alien spaceship visited by human beings and adapting to them

Once the astronauts get on the ship, it starts to change to fit the human beings needs. The gravity and the atmosphere change, the structure of the ship's instruments changes as well etc. Finally, the ...
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4 votes
0 answers
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Firefly has its own gravitational field? [duplicate]

In Firefly episode eight, Out of Gas, the engine breaks, causing the oxygen and heating to go offline on Serenity. For some reason, the gravity stays on. Mal (the captain) is able to move about freely,...
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2 answers
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How can ship crew walk in USS Enterprise?

Has there been a scientific explanation for ship crew walking in spaceships in Star Trek? I know rotating stations can create artifical gravity but USS Enterprise does not rotate, at least not enough ...
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11 votes
1 answer
472 views

Did the tethered stations in "Friday" have artificial gravity?

Having read the book Friday by Robert Heinlein many years ago, I became aware of the concept of the space elevator/ space tethers. While fascinating in concept, our current technology negates the ...
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In Interstellar, why does zero gravity only exist some of the time in space?

For instance, the characters float around in zero gravity right after the Ranger docks on the Endurance, but in the following scene they walk around more or less normally.
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24 votes
3 answers
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Scientists shown a fake anti-gravity device to motivate them to build the real thing

There exists a SF short story about anti-gravitation called the Mother of Invention (AFAIK). A bunch of scientists are shown a (fake) movie in which an anti-gravity device is demonstrated by an ...
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31 votes
3 answers
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Why is the helicopter in Rama (Arthur C. Clarke) subject to gravity?

In "Rendez-vous with Rama" by Arthur C. Clarke, an artificial gravity force is maintained in the O'Neil cylinder (thanks to its spin). However, according to my understanding of the centrifugal force, ...
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7 votes
3 answers
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Why are inertial compensators only needed for crewed ships?

Honorverse spacecraft move around using a reactionless "impeller drive" based on gravity manipulation. This drive can accelerate craft at thousands or even tens of thousands of thousands of gravities ...
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2 answers
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How does gravity work on the Icarus?

Sunshine doesn't strike me as the most scientifically inaccurate film, and how it deals with gravity has caught my attention. The Icarus (I & II) seems to have long cylindrical compartments, with ...
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2 votes
1 answer
258 views

Lizards with advanced intelligence (dinosaurs) in a cylindrical spaceship flying towards earth

I read the book in the late 80's. I believe that the huge "ship" was a pre-programmed vessel that was heading back to Earth with a collection of intelligent lizards/dinosaurs as the cargo. If I ...
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10 votes
2 answers
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Changing gravity in Moon (2009 film) - simply a mistake or was there an explanation?

Last night I watched Moon and it struck me that the gravity seemed to change depending on Sam's location: On the Moon's surface, gravity seemed to be as expected, as evidenced by Sam's slow movement. ...
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4 votes
1 answer
478 views

How could the inhabitants of the Matoran Universe be unaware of its nature? [Massive Spoilers]

All the islands inside Mata Nui face towards his front. Yet travel between islands was possible even before he crash-landed on Aqua Magna (for example, Toa Jovann and his team did this). Unless his ...
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5 votes
1 answer
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Paris, the catacombs, anti-gravity skate punks

There was a book I read in the 90's, I guess. Set in Paris, it followed a bunch of punks who spent their time having firework fights in the catacombs under Paris, skating the streets on their anti-...
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14 votes
4 answers
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How do stars stay in position in the Battle Room?

The Battle Room is near-zero gravity environment where war games are conducted. Inside the area are large obstacles called "stars." Soldiers use these stars as cover, and also for launching off of. ...
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3 votes
3 answers
562 views

Was the idea of a tidal dislocation weapon ever suggested in SciFi? [closed]

In an intense and non uniform gravity field, the various parts of a moving body tend to follow different trajectories, and will unless the whole structure is tied strongly enough to prevent flying ...
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19 votes
6 answers
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Generational ship loses power/gravity in space, and inhabitants forget purpose of mission

I read this story maybe 15-20 years ago. It was about a massive spaceship on a voyage that would take many generations to reach their destination. Somehow the ship breaks down, losing power and ...
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11 votes
2 answers
485 views

Crime investigation involving quantum computers

I read a book a while ago, yet cannot for the life of me remember its name. Sorry I cant be more specific but I'm pretty sure it was within the last 2 years. Couldn't say if it was new. But it was ...
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