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Q&A

Posts tagged interstellar-travel

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Q&A Would would occur if a person travelled from a wormhole in flat empty space, to one on Earth?

We are using a Morris-Throne Wormhole Metric. Let's presume the throat of this wormhole (in internal hyperspace) is short, let's say 1km. Now, as you are travelling through the entrance wormhole,...

1 answer  ·  posted 2y ago by MrKred‭  ·  last activity 2y ago by MrKred‭

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Q&A Solving the biggest problem of relativistic interstellar spacecrafts

In FTL-free universes, interstellar travel is often done by vessels capable of continuous acceleration (the drives themselves are often magitech), which can use the effects of relativistic time dil...

2 answers  ·  posted 3y ago by TheDyingOfLight‭  ·  last activity 3y ago by TheDyingOfLight‭

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Q&A Would there be artificial gravity on a spaceship that undergoes constant acceleration?

One way of creating artificial gravity is acceleration- gravity by inertial mass. So in theory, if we would find a way to travel interstellar space by accelerating, reaching near light speed, woul...

2 answers  ·  posted 3y ago by Inb‭  ·  last activity 3y ago by Inb‭

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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 3y ago by TheDyingOfLight‭  ·  last activity 3y ago by TheDyingOfLight‭

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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 3y ago by Exostrike‭  ·  last activity 3y ago by Exostrike‭

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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 3y ago by TheDyingOfLight‭  ·  last activity 3y ago by TheDyingOfLight‭

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Q&A Is it possible to break the sound barrier in space with a really fast spacecraft

I was doing some research online about slower-than-light interstellar spacecraft, and it got me thinking about a couple things. Although it may seem empty, the space between stars isn't a perfect v...

2 answers  ·  posted 3y ago by Mattias‭  ·  last activity 3y ago by Mattias‭

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Q&A How do I explain that an interstellar spaceship still requires risky spacewalks?

It is the mid 22nd century A.D. Twenty men and women signed on a ten year space exploration trip to the nearest star system. There are robots to do ship maintenance and a powerful A.I. to monitor t...

28 answers  ·  posted 5y ago by user6760‭  ·  last activity 3y ago by user6760‭

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Q&A Feasibility of an Antimatter-Catalysed Ram Augmented Interstellar Rocket (AC-RAIR)

A fictional starship that I am designing functions via a form of Bussard ramjet that uses hydrogen from the interstellar medium as reaction mass, not as fuel. In order to accelerate the propellant...

1 answer  ·  posted 4y ago by Arkenstein XII‭  ·  last activity 4y ago by Arkenstein XII‭

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Q&A Alcubierre warp-lanes, what is the most stable way to create them?

2 informational references for Alcubierre fields can be found at the end of this question. Warp-lanes aren't a novelty in science-fiction. Space ships can use a specific route to go through a Gala...

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

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Q&A Interstellar Propulsion for Hard Sci-fi Novel

Hypothetical: Hundreds of years into the future. Humanity needs to travel to exoplanets quickly. I'm aiming for hard sci-fi. What kind of propulsion can travel people at 0.1 - 0.9 lightspeed? Is i...

1 answer  ·  posted 4y ago by William Davis‭  ·  last activity 4y ago by William Davis‭

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Q&A Potential system to system travel?

So one of the ideas I've come up with for system to system travel, in the early colony stage of my world, is using fuel boosters to start the journey and then to reach the required speed for the co...

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

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Q&A Feasibility of deceleration by collision

There are many hypothetical systems for bringing spacecraft of the near-future up to speed, some of which may attain some relativity-bending velocities. However, these systems, to achieve such high...

4 answers  ·  posted 4y ago by B.fox‭  ·  last activity 4y ago by B.fox‭

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Q&A How can as many probes as possible be sent to nearby stars?

In the near future, say about 50 years, the most powerful governments are starting to compete for control of interstellar resources. The first step is to send a probe or probes to a neighbouring st...

6 answers  ·  posted 4y ago by CJ Dennis‭  ·  last activity 4y ago by CJ Dennis‭

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Q&A Can liquid nuclear fuel be injected and ignited like petro from a fuel injector?

[![enter image description here][5]][5] Model Lightcraft under laser power While sadly the funding for this research has not been forthcoming, there have been proof of principle flights and ope...

1 answer  ·  posted 5y ago by Muze the good Troll.‭  ·  last activity 4y ago by Muze the good Troll.‭

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Q&A Relativistic effects on brains encoded in light

I am trying to build a hard science-fiction world where the interstellar travel might work like this: Travellers bodies are scanned and all relevant information regarding body structure, neural c...

6 answers  ·  posted 5y ago by strNOcat‭  ·  last activity 5y ago by strNOcat‭

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Q&A How might the spores of an interstellar lifeform navigate?

Voidcrawler (Mycocelium Nocturnis) is a voracious invasive species, most similar to a fungus but much hardier and with some singularly unique properties: Firstly it absorbs not only light, but als...

9 answers  ·  posted 5y ago by Joe Bloggs‭  ·  last activity 5y ago by Joe Bloggs‭

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Q&A Could time dilation cause unwanted structural effects?

I'm working on a science fiction story involving starships travelling about 95% of the speed of light. I wanted to have a reason for the starships to need to shield themselves against time dilation...

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

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Q&A Interstellar probe designed without FTL?

Thanks to enhanced space telescopy Earth has found some great candidate star systems for colonisation. But they are not yet ready to try sending people. There's no new physics. However, the cost...

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