Questions tagged [microgravity]

For questions about environments with extremely low perceived gravity (colloquially referred to as "zero gravity", usually referring to a free-fall environment in space) and the impact of such environments on creatures and technology.

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Gravity at the interior poles inside a large spinning sphere?

From other answers I've determined that gravity on the interior of a large spinning sphere (like a Dyson Sphere) could create a desired gravity at the equator at the inner surface. But what would ...
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Low gravity planet, giant creatures?

I want to create a planet that has: Low gravity. Giant creatures (not quite Godzilla sized, but bigger than Dinosaurs). Human explorers should be able to jump incredibly high there, maybe even fly/...
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2answers
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How to do repairs during high G maneuvers?

In Nemesis Games during the battle a character moves through the ship. Since the ship is maneuvering they get banged around a lot. My books are written with a tech level similar to the Expanse so this ...
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3answers
142 views

Mugging someone in 0 gravity?

It is a dark night and an innocent civilian is floating along a alleyway when someone jumps them. They have a bat and want the civilian's money. But if the mugger hits the person they will fly away ...
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6answers
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Zero-gravity space bar fight?

I am having a bar fight instead. 8 space marines are getting hammered when all of a sudden a cult shows up and starts a bar fight in the zero-G bar where the marines are. The cult is also rather ...
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8answers
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Ricochet during boarding in space?

In space, boarding parties could be used to effectively take over ships without severely damaging them. Piracy would be much easier. But what about weapons? Your average pirate will have a slug ...
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How could a 6-way, zero-G, space constrained, 3D, flying car intersection work?

Built within an asteroid belt (near convenient resources) is a densely populated human settlement. While not a "planned city", the settlement has expanded in a organised, grid like fashion ...
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1answer
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What would it like for a human to be near weightless?

Alright, so I was creating an anti-gravity device (handwaved) in a new world, that counteracts certain amounts of weight. I was wondering what would happen if the device counteracted just enough of ...
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3answers
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What would be the biggest threat if gravity stopped? [closed]

Suppose that the law of gravitation suddenly “stops working” one day, and all gravitational forces cease to exist. What would this mean for people on Earth? Could we survive for very long? If not, ...
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how to get around a centrifugal force gravity ship

Lets say you had a really big space ship that uses the ramjet method to collect hydrogen. It can only generate gravity in a ring spinning around the collection cone. This means there's nothing in the ...
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0answers
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How would a civilization on a planet with 1/10 Earth gravity look like? [closed]

I have a lot of book ideas, and one of them is set on a planet with very low gravity. It has the same size as Earth, but with 1/10 the density. It has no satellites. How would the lifeforms be ...
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Constant acceleration as artificial gravity. Would flipping over halfway still be comfortable?

My question isn't about whether constant acceleration can create artificial gravity, as I know that it can. I am thinking more about worldbuilding in the sense of a practical transportation system ...
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4answers
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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 ...
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How would multicellular organisms evolve in a microgravity ocean?

How would living organisms develop/evolve in a very-low g ocean environment? The environment would be a small radioactive core surrounded by a small mass of water, less than 100 km in diameter, in the ...
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Would inflating hot spheres of metal be a viable zero-g, vacuum ship-building technique?

I would like to have a zero-g spaceship factory in orbit, and would like to know if this is a viable way to work: I imagine melting metal into a big blob, then inserting a tube and pumping in gas to ...
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1answer
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Ant colony in Zero Gravity [closed]

The image below is an Ant colony in the glass chamber. If the Ants in Chamber filled with soil can generate such structure of colonies. What would happen if the Ants are kept in the same chamber but ...
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8answers
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How to go out for a walk in microgravity?

Suppose that humanity has spread out through space. Humans are exploring all kinds of environments, including some with gravity much weaker than our Moon's: Ceres (surface gravity = 0.28 m/s2) ...
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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 ...
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Artistic performance in low gravity

In my sci fi Earth and Mars are surrounded by space elevators and there is a great exchange of people and goods coming and going among the planets and the thousands of space stations existing in the ...
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2answers
142 views

An amusement park in space

I am wondering what could make an amusement park better if it was in zero G? the people that will visit are already used to living in zero gravity, so something that would amuse us earthlings for them ...
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1answer
187 views

How would a bird's flight change entering the zero gravity axis of an O'neil cylinder?

This question on space stack begins to tackle how a bird could fly inside an O'Neill cylinder, https://space.stackexchange.com/questions/27665/can-birds-fly-inside-an-oneill-cylinder. Here is the ...
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5answers
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What would a 2 week vacation on Mars or the moon be like? What fun things could be done in the low gravity? [closed]

Assume that we are talking about some time in the future where we have moon bases & moon resorts along with Mars bases and Mars resorts. I know that extended time on either the moon or mars will ...
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What kind of footwear is suitable for walking in micro gravity environment?

Set in the near future, the interior of the spaceship is coated with thin layers of Teflon approximately 10mm average thickness on top of titanium alloy which in case you are wondering it is weakly ...
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Preventing Blindness from Microgravity

According to a recent National Geographic article, astronauts returning home after longer missions suffer permanently impaired vision. This is a problem that must be addressed in hard-science worlds ...
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5answers
265 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 ...
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2answers
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Can a human born & raised in zero gee survive on a earth like planet for a short while

I've been toying with an idea of a epic space fantasy where a certain area of the milky way is controlled by decedents of humanity that are born, live & die in spaceships, said "ngees" as the "...
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1answer
424 views

Cracking Knuckles in Zero Gravity [closed]

Cracking knuckles has something to do with air bubbles, but would it work in the same way if there is no gravity? If not, how would it be different? Would there still be a popping sound and/or ...
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Martial arts in zero or low gravity [duplicate]

How would your design a martial art for use in either zero gravity (in space) or lower gravity (on another planet or moon)? Constraints: A practical martial art, for real world use, not a sport or ...
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What form of anti-gravity is the most feasible?

Many sci-fi words use anti-gravity or artificial gravity to manipulate the weight of their ships making flight much easier. Wikipedia even has an article on it which discusses several attempts to make ...
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5answers
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What does the physiology and biochemistry of a vacuum adapted post-human look like? Part 1: Radiation resistance

I am a post-human adapted for permanent life in vacuum and micro-gravity. How might my physiology and biochemistry overcome the following challenges? Please note I have a strong cultural aversion to ...
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2answers
476 views

What does the physiology and biochemistry of a vacuum adapted post-human look like? Part 3: Metabolism

I am a post-human adapted for permanent life in vacuum and micro-gravity. How might my physiology and biochemistry overcome the following challenges? Please note I have a strong cultural aversion to ...
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4answers
341 views

What does the physiology and biochemistry of a vacuum adapted post-human look like? Part 2: Temperature control

I am a post-human adapted for permanent life in vacuum and micro-gravity. How might my physiology and biochemistry overcome the following challenges? Please note I have a strong cultural aversion to ...
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1answer
356 views

Life in a gas torus around a neutron star

Larry Niven wrote a novel called The Integral Trees, which was followed by a sequel The Smoke Ring. This is Wikipedia's synopsis of the setting: The story occurs around the fictional neutron star ...
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858 views

How would basketball change to accommodate zero-g

I was just wondering what kind of rule changes court layout etc would happen to have a 'basketball' game in a zero-g arena? I'm assuming the most likely thing to stay is a ball and 2 opposing baskets....
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5answers
272 views

Microgravity BBQ setup

The development of microgravity cuisine is an interesting topic, especially when it comes to transferring simple processes like the successful thermochemical processing of muscle tissues (e.g. ...
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2answers
472 views

What evolutional adaptations would animals develop in microgravity?

There was an orbital station; a huge torus, as known from sci-fi. It was a luxurious place for people from dusty planets to relax at, and spend hard-earned money in environments resembling Earth from ...
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1answer
873 views

Can this type of winged humanoid possibly work? See diagrams

So, I don't believe that the "angelic" type winged human can exist (y'know, the kind with the feathery wings sprouting from the back). Too many problems of anatomy, weight, etc. But I am trying to ...
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1answer
289 views

Flight within the shared atmosphere of a Rocheworld, and between the planets, with low gravity wrinkle?

In a Rocheworld scenario where two planets are tidally locked and share an atmosphere, but where both the planets are so small that their gravity is very little (as low as one of the dwarf planets in ...
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8answers
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How can a small planetoid hold an atmosphere under artificial means?

Edit: Before I give up on this I wonder how could an advanced civilization create conditions on a small planetoid (Ceres sized?) to keep an Earth level breathable atmosphere? It seems like its ...
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1answer
194 views

Falling in a micro-gravity scenario?

Let’s say we have a micro-gravity environment where people are staying afloat in the air because they have wings or some other means of resisting the low gravity, but then for some reason they find ...
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2answers
203 views

How would a human have to be gene-geneered to thrive in a zero-g environment?

I'm trying to create a massive contained zero-g environment that can sustain many life-forms including humans. The research that I'm doing doesn't make it look good. Seems like we just need gravity. ...
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2answers
200 views

Is this gas giant possible?

I want to create a gas giant planet. The parameters I would like for it to have are: It should have a large layer of gas within its atmosphere that living creatures including humans can survive and ...
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4answers
302 views

Can an inhabitable zero-G environment occur in nature?

I want to set a story within a zero gravity environment wherein creatures can live, breath the air, fly and flourish. The environment should supply all the things living creatures (as we know them) ...
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Animals for weightlessness

OK, so humanity is going to space, and they are going to take farm animals into space, not only humans on earth value meat, but humans in space do, too. However, they don't want to waste precious ...
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2answers
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What would happen all of the loose objects inside a space station in geostationary orbit around earth [duplicate]

If i have a space elevator with a space station at the point of being in geostationary orbit what would happen to all the stuff inside as the station should be at the "0g" point? Important info ...
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4answers
236 views

Ways to cushion an un-augmented human against high, prolonged g-forces?

Soft sci-fi uses inertial dampeners. Harder sci-fi uses stuff like advanced crash couches, robotic exoskeletons, or (my personal favorite) drug cocktails filled with stimulants and other medication ...
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What if gravity goes out while man is swimming in a pool on board of a spaceship? [duplicate]

Man is on board of a spaceship with enabled artificial gravity swimming in a pool. Due to a malfunction gravity goes out. Pool liquid tends to form a sphere with the man locked inside. Will it still ...
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2answers
123 views

Carbonation… in Space? [closed]

Given a zero-G environment (such as a modern space vessel) how would a carbonated beverage react? Please address one or more of the following: A free-floating sphere of a water/carbonic acid mixture ...
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5answers
767 views

Flogging and punitive mutilation in a zero-G environment

A zero-G ship carrying several hundred civilians is sent out by a dictator to colonize another star system. The dictator relies on corporal punishment including but not limited to caning, flogging and ...
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377 views

Paper making in zero g

Suppose you were an astronaut on a space ship in the near future. Or an on an asteroid mission where little to no gravity is available. In such a situation it would be difficult to justify taking a ...