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Q&A

Posts tagged travel

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Q&A (Semi) Scientific way to explain fast space travel

I am looking for a (if only semi or even the tiniest bit) scientifically explainable way to make a spaceship travel fast enough that interplanetary travel (take the average distance between any 2 o...

3 answers  ·  posted 4y ago by Blue Devil‭  ·  last activity 4y ago by Blue Devil‭

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Q&A Warp drives without exotic matter?

Taking into account all of the developments in the alcubierre warp drive theory including the new calculations by Harold White. Are their any plausible/theoretical ways to generate a warp bubble wi...

3 answers  ·  posted 6y ago by Efialtes‭  ·  last activity 4y ago by Efialtes‭

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Q&A Spaceplane simulating winged flight in the vacuum of space?

If a spaceplane were to try to simulate the look of aerial flight in the vacuum, would it be difficult or easy for the pilot to manually simulate aerial maneuvers, using just a contemporary reactio...

2 answers  ·  posted 4y ago by Bob516‭  ·  last activity 4y ago by Bob516‭

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Q&A Could one use Air Pressure as a form of stealth Propulsion in Space?

This is my first question here so I would like to apologize if this is sloppy or in the wrong place or the like. I have searched and found nothing that answers the exact question I think, so though...

4 answers  ·  posted 4y ago by Shadowwell‭  ·  last activity 4y ago by Shadowwell‭

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Q&A If there were no space agencies, could a person go to space?

I'm writing a story and I was thinking about the ending in advance. I posted a question about how the population would be wiped out. I have developed from that and thought about the virus having no...

7 answers  ·  posted 4y ago by FluxedScript‭  ·  last activity 4y ago by FluxedScript‭

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Q&A How could we do steampunk space travel, with minimal magic?

Steampunk!! In a world without the fine electronics that we have today, would space travel be possible? ....I'm not averse to small amounts of magic in my steampunk worlds, but I'd like to keep i...

9 answers  ·  posted 9y ago by Shokhet‭  ·  last activity 4y ago by Shokhet‭

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Q&A Keeping supplies for 1000 years

My main protagonist is going to fast-forward himself in time by 1000 years. He will simply reappear in the same place (marked by a small beacon), the process being instant for him (no hibernation e...

13 answers  ·  posted 7y ago by Michael‭  ·  last activity 4y ago by Michael‭

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Q&A The North Star in the ancient world sky

Question: Would a modern-day teen, trained in using the north star for directions when camping/hiking, notice a difference in how the "north star" (Polaris) works when transported suddenly to 1350 ...

2 answers  ·  posted 4y ago by Cyn‭  ·  last activity 4y ago by Cyn‭

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Q&A What could prevent a sentient species from going to space?

I am still puzzled by the original The Planet of the Apes movie from the 70's. How come that sentient species invented weapons, but was unable to develop powered flight, or spacecraft. Thus, the qu...

23 answers  ·  posted 8y ago by Pavel Janicek‭  ·  last activity 4y ago by Pavel Janicek‭

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Q&A Using an Asteroid's Momentum for Spaceship Propulsion

There's a lot of talk on futurist blogs about mining asteroids for propellant and other resources for space travel, but I have something else in mind. Could a spaceship, starting out in geocentric...

3 answers  ·  posted 4y ago by Pink Sweetener‭  ·  last activity 4y ago by Pink Sweetener‭

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Q&A What is a plausible power source to indefinitely sustain a space station?

I'm allowing for approximately 150 years of technological advancement. This is in Earth's future, so I want to be realistic based off of what we are capable of now and projections for declining res...

6 answers  ·  posted 4y ago by Marina‭  ·  last activity 4y ago by Marina‭

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Q&A How can a twin on Earth grow old slower than his/her twin sibling?

I understand it might happen in a weak gravitational field. If I have twins on Earth, but one of them suddenly gets transported to intergalactic medium (without any great mass nearby), then the tra...

6 answers  ·  posted 4y ago by Renan‭  ·  last activity 4y ago by Renan‭

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Q&A Which modern firearm should a time traveler bring to be easily reproducible for a historic civilization?

Eureka! Our hero just discovered the secret of time travel, but what to do with it? "I know!", he says. "I will travel back in time as far as I can and hand them a modern firearm. They will learn h...

12 answers  ·  posted 5y ago by MechMK1‭  ·  last activity 4y ago by MechMK1‭

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Q&A Intragalactic velocity past the central black hole

In my story people are traveling from somewhere beyond the opposite side of the galaxy to Earth. The distance traveled is approximately 66 million light-years. I would like the travelers to exper...

2 answers  ·  posted 5y ago by Javor‭  ·  last activity 5y ago by Javor‭

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Q&A Space ship deceleration from speed of light

A space ship travels (almost) at the speed of light. When it nearly reaches its destination it starts decreasing the speed. What would be the most appropriate deceleration for human body in such co...

2 answers  ·  posted 5y ago by Javor‭  ·  last activity 5y ago by Javor‭

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Q&A How does targeting teleportation work without a pad or something?

So, I've got an idea for galactic travel involving some fancy particle physics and the Higgs-field, but I've just discovered I don't know how teleporting really works. Or any of that kind of stuff,...

5 answers  ·  posted 5y ago by Janie Cox‭  ·  last activity 5y ago by Janie Cox‭

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Q&A In order to successfully have 3 orbital rings around a planet how do you have to orient them?

I am writing a short story about an overworked planet whose civilization has achieved space elevators and orbital rings. The planet, which is earth-sized, has three complete orbital rings in stabl...

5 answers  ·  posted 5y ago by LegionOfAvatars‭  ·  last activity 5y ago by LegionOfAvatars‭

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Q&A Wings for orbital transfer bioships? - The ascent

I've been looking at the altitude boosted SSTO designs from the 90s that were designed to be lifted to launch altitude by modified jetliners and thinking about bumblebees and wondering if bioships ...

2 answers  ·  posted 5y ago by Ash‭  ·  last activity 5y ago by Ash‭

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Q&A How to get the speed of my spaceship?

I have a spaceship that can get to speeds very close to the speed of light. How can this ship measure how fast it is going near the speed of light? I would think one would measure how fast other ...

2 answers  ·  posted 5y ago by sirzento‭  ·  last activity 5y ago by sirzento‭

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Q&A What phenomenon (gravitational?) in space would allow the transfer of humans rapidly between two planets or system-wide?

So what I'm looking for is some plausible idea of two human planets, orbiting each other closely, that despite having regressed to a medieval homage, were capable in this old era of powering solar ...

3 answers  ·  posted 5y ago by Naga‭  ·  last activity 5y ago by Naga‭

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Q&A The Crowman race to space!

In this answer https://worldbuilding.stackexchange.com/a/25219/50641 (to the attached question) one of their counter points was "oh, crows use tools, therefore, human advantage negated". That got ...

3 answers  ·  posted 6y ago by SomeGuy‭  ·  last activity 5y ago by SomeGuy‭

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Q&A How can a space station prevent docked ships from irradiating each other or the station?

I've been puzzling over the logistics of orbital spaceports, and this has been the one sticking point I keep coming to: radiation control between docked, or even neighboring, ships. Mass limitation...

12 answers  ·  posted 7y ago by SkyeAuroline‭  ·  last activity 5y ago by SkyeAuroline‭

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Q&A Acceleration/Deceleration equation for travel within a solar system

Basics: There is a wormhole in a fixed position within a solar system. It is roughly 40 million miles from the orbit of the habitable planet, which kind of mimics Earth (roughly 12 month solar orbi...

1 answer  ·  posted 5y ago by Tommy‭  ·  last activity 5y ago by Tommy‭

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Q&A How fast can a ship with rotating habitats be accelerated?

Alright so I'm not really a physics person by any stretch so forgive me if I butcher some physics jargon on this post. So I'm making this hard sci-fi interstellar ship with a rotating habitat that...

4 answers  ·  posted 5y ago by Galaxy‭  ·  last activity 5y ago by Galaxy‭

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Q&A For what reasons would an animal species NOT cross a *horizontal* land bridge?

In my worldbuilding project, 2 continents located on roughly the same latitude are connected by a land bridge. Both sides of the bridge are surrounded by a temperate grassland, and the lack of seas...

17 answers  ·  posted 5y ago by Foosic17‭  ·  last activity 5y ago by Foosic17‭

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Q&A Is there any way to truly hide a spaceship?

Space is two things: empty and (mostly) dark. This makes it really, really hard to hide in it, because to do anything in it, chances are, you'll be shining a big bright light through it. Even if ...

12 answers  ·  posted 9y ago by neph‭  ·  last activity 5y ago by neph‭

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Q&A Electricity free spaceship

Assume there's a spaceship in earth orbit that its crew of 24 want to get to Mars, the crew are all humans and possess all of modern day knowledge and equipment, is it possible for said ship to mak...

10 answers  ·  posted 5y ago by cypher‭  ·  last activity 5y ago by cypher‭

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Q&A Non-aqueous eyes?

I am trying to create an organism that can survive in space for short periods, but I realized that I can't have its eyes be similar to those of most animals and humans because they would boil in sp...

10 answers  ·  posted 5y ago by Efialtes‭  ·  last activity 5y ago by Efialtes‭

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Q&A What does the view outside my ship traveling at light speed look like?

World Rules: Travelers are able to move at the speed of light without disruption of their lives. Time passes "normally" for them. They think, breathe, love, cry, and steer the ship as if they w...

13 answers  ·  posted 5y ago by JBH‭  ·  last activity 5y ago by JBH‭

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Q&A Traversal of creatures in space (hydrogen metabolistic processes)

For a space-based story I am writing, I was hypothesising about how to have organisms that can thrive the vacuum of space. Ignoring plausibility of such a creature evolving, I realised a few probl...

1 answer  ·  posted 5y ago by bio‭  ·  last activity 5y ago by bio‭

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Q&A Emergency evacuation procedure onboard a spaceship

Say there is a civilian ship going less than the speed of light, travelling from one star to the next. In the event that pirates board the ship (or some other dangerous situation, like a hull breac...

5 answers  ·  posted 9y ago by Orfby‭  ·  last activity 5y ago by Orfby‭

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Q&A How would a world with drifting land-masses be mapped/charted for navigation?

Context The world is made of floating islands suspended in the atmosphere. For all intents and purposes, the world doesn't have a solid surface. Due to a magical influence, islands rise from the ...

5 answers  ·  posted 7y ago by Miguel Bartelsman‭  ·  last activity 5y ago by Miguel Bartelsman‭

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Q&A Which moon is most favourable as a refuelling station?

My hypothetical gas giant has five major moons. Three of those moons are icy bodies with abundant water ice and volatiles. Any of these could provide fuel for translunar spacecraft, or for spacecra...

3 answers  ·  posted 5y ago by Arkenstein XII‭  ·  last activity 5y ago by Arkenstein XII‭

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Q&A Launch window from heliopause to Earth?

Assuming an ion propulsion ship was leaving station in an orbit at the radius of the heliopause, and the most direct trajectory takes 18 months to get to Earth, would there be a launch window or co...

2 answers  ·  posted 5y ago by Bob516‭  ·  last activity 5y ago by Bob516‭

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Q&A How would a physicist explain this starship engine?

In my world, interstellar vessels use a drive whose design mankind learned from an extinct elder civilization. While construction of the drives is possible, the physical principles making them work...

5 answers  ·  posted 5y ago by TheDyingOfLight‭  ·  last activity 5y ago by TheDyingOfLight‭

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Q&A Are these atmosphere compositions for habitation in space plausible/do they cause problems I don´t see?

On Earth, our atmosphere contains 78.09% nitrogen, 20.95% oxygen, on average around 1% water vapor at sea level, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Looking through...

2 answers  ·  posted 5y ago by TheDyingOfLight‭  ·  last activity 5y ago by TheDyingOfLight‭

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Q&A Could a form of acoustic levitation be used as artificial gravity?

So I heard about this thing on vsauce a while ago, where scientists use this thing called "acoustic levitation". They use ultrasonic frequencies to levitate various substances, for use of studying ...

1 answer  ·  posted 5y ago by Cobbington‭  ·  last activity 5y ago by Cobbington‭

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Q&A Guns in space with bullets that return?

I was reading on another question (this one) and was thinking "What if those bullets could return?" What I am looking for is: Practicality Cost effective Combat effective Manufacturability

12 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A Would it be possible to ride a gravitational wave?

I'd like to travel really really fast, and I've got some scientists proposing a novel new way of doing so. They've developed the technology to generate extremely powerful controlled gravitational ...

6 answers  ·  posted 8y ago by ckersch‭  ·  last activity 5y ago by ckersch‭

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Q&A How likely are Coriolis-effect-based quirks to develop in starship crew members?

This one's more sociological, and it seems like a shoe-in to me, but sociology was never my strength. Given how pronounced the Coriolis effect of a smaller Von Braun wheel would be, does it seem ...

4 answers  ·  posted 5y ago by Cereza‭  ·  last activity 5y ago by Cereza‭

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Q&A What would an external observer see when passed by an Alcubierre drive ship?

My answer to the question Is there a scientifically sound faster-than-light travel system for a spaceship? involved an Alcubierre-drive starship. However, that then got me thinking. What would an ...

8 answers  ·  posted 9y ago by Monty Wild‭  ·  last activity 5y ago by Monty Wild‭

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Q&A Deep space acceleration limits?

Assuming the power source for such acceleration places no limit on things, how quickly can a space craft be accelerated to the speed necessary to cross the distance between Jupiter and the sun in a...

3 answers  ·  posted 5y ago by Cereza‭  ·  last activity 5y ago by Cereza‭

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Q&A Most bit efficient text communication method?

What would be the most efficient text communication method for a spacecraft operating on a super low bit rate (I'm talking something like 5 bits an hour, excluding error handling)? As you want bo...

13 answers  ·  posted 5y ago by Exostrike‭  ·  last activity 5y ago by Exostrike‭

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Q&A The handwavium drive is broken! Is there any hope?

I was recently looking at this question, which seems to argue that FTL travel within the existing laws of physics can risk resulting in the destruction of half the universe. (Specifically, bad thin...

2 answers  ·  posted 5y ago by MarielS‭  ·  last activity 5y ago by MarielS‭

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Q&A Stellaser Part I: Trial by stellar Fire or The best design out of three for a solar powered 5 Petawatt laser?

I´m building a hard-sifi setting and want to use Stellasers (abbreviation for stellar laser) to provide thrust and power to interstellar vessels. This part one is only concerned with the construct...

2 answers  ·  posted 5y ago by TheDyingOfLight‭  ·  last activity 5y ago by TheDyingOfLight‭

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Q&A Navigating storm fronts in space

Storm fronts — especially surprise storm fronts — are a popular Sci-Fi trope. Ion storms and radiation storms and neutronic storms and they invariably look 2D, like ribbons in space. But then I r...

4 answers  ·  posted 5y ago by JBH‭  ·  last activity 5y ago by JBH‭

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Q&A Object in the orbit or orbiting Uranus's moon Puck

I realize the response to this question is fairly involved but here goes. I need to have an alien spacecraft either in orbit around Uranus's moon Puck or somewhere in Puck's orbit around the planet...

3 answers  ·  posted 5y ago by James‭  ·  last activity 5y ago by James‭

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Q&A Anal Retentiveness in a tribal nomadic society - why would it be advantageous?

Please note: This has no relation to any real persons on this site or elsewhere and should not be taken to be such. In my world there is a human nomadic desert tribe. They have a long-standing cus...

4 answers  ·  posted 5y ago by chasly from UK‭  ·  last activity 5y ago by chasly from UK‭

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Q&A Would an alien lifeform be able to achieve space travel if lacking in vision?

Think of this alien life form as something resembling earth bats, placed in a planet with Earth-like conditions. Micro-bats have small and poorly developed eyes. Similarly, this alien species is ...

14 answers  ·  posted 5y ago by Liam00‭  ·  last activity 5y ago by Liam00‭

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Q&A Dumbbell planet - how would humans cross the bridge?

Note: I am aware of this question Could two planets be tidally locked to each other so close they share their atmosphere? My question is not about that. It is specifically about human travel. By...

7 answers  ·  posted 8y ago by chasly from UK‭  ·  last activity 5y ago by chasly from UK‭

Question travel planets humans