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Questions tagged [spaceships]

For questions involving implemented theory or technology for travelling through space. Consider also [space-travel]. See also the tag information (click "info") for more details on when this tag applies.

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Is it possible to relocate a planet? Specifically Jupiter [duplicate]

My world, Anyare, has too many people on it. Instead of having a disaster, I want them to colonize another planet. Like Jupiter. By using Jupiter’s gases, and by attaching a giant propeller, is it ...
HankyH's user avatar
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0 votes
1 answer
76 views

What would information should be displayed on realistic & inuitive tactical sensor screens for spaceware? [closed]

I've thought about space warfare and seen how sensor information has been displayed in various Science Fiction franchises and been left, disappointed. For our future space forces we need screens which ...
Jim2B's user avatar
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3 votes
3 answers
175 views

Is it viable to broadcast a signal and be detected within starsystem distance?

Is it viable to broadcast a radio/EM distress signal from a space vessel that can be detected within a star system? Think of an unexpected distress signal i.e. the receiving apparatus shouldn't ...
Fernando D'Andrea's user avatar
7 votes
6 answers
2k views

Stealth on Titan (ground vehicles against satellites)

Titan is a shrouded moon, cloaked in a dense haze that obscures its surface to direct visual observation. Cassini, when it visited, had to rely on radar and near infrared imaging to see the surface [...
Wavedash's user avatar
  • 357
12 votes
2 answers
2k views

Using a planetary flyby to reduce speed

At the end of my novel, the surviving crew of a spaceship is hurtling past a Dyson swarm that encloses the sun where the asteroid belt used to be. They are traveling too fast for orbital insertion and ...
K. M. O'Connor's user avatar
5 votes
3 answers
199 views

Would the discovery of a room temperature superconductor with a high critical current improve ion drives?

I'm just an optimistic, uneducated bum, so if any of the terminology or ideas are wrong I apologize. So I understand that ion drives are very economical but very low thrust. Partly because powering ...
BigDumb's user avatar
  • 365
2 votes
1 answer
657 views

Can an Alcubierre drive be built by starlifting?

I am setting up a very futuristic world for a sci-fi story, where having FTL tech would be very practical. For a bit of context, here is what I am imagining: It is a type 3.2 - 3.3 civilisation, where ...
The Rocket fan's user avatar
5 votes
2 answers
311 views

A bussard ramjet breaks, does the ship's velocity eventually stop/slow?

Let's say I have a space ship which uses a bussard ramjet to achieve relativistic speeds. Something catastrophic happens and it breaks beyond repair. I have read "Tau Zero" by Paul Anderson ...
trubliphone's user avatar
10 votes
2 answers
2k views

Engine most likely to be available in the next 80 years to accelerate a craft at 1g for 4 weeks

I posted this in Space SE, but someone suggested I also post it here. So here it is! I am wondering what type of engine would most likely be available in the next 80 that can constantly accelerate a ...
Tom's user avatar
  • 203
8 votes
7 answers
4k views

How fast is too fast for travel inside the solar system?

I'm looking past the science of fuels and star ship engine details at this point because I'm trying to establish speed limits around our solar system. My initial idea was to use TIME TO DESTINATION as ...
HelloHiHola's user avatar
17 votes
15 answers
5k views

Why would newer spaceships still have core ejection systems despite the proliferation of fusion reactors?

Set in near future Space tourism becomes a thing, the older spaceships have some issues with their nuclear reactors that occasionally suffers from positive void coefficient whereby the saturation of ...
user6760's user avatar
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16 votes
22 answers
6k views

Why can't escape pods be opened from the inside?

Set in the near future Space tourism is a thing, all commercial and non-military spaceships must come equipped with multiple escape pods. The minimum specs for each escape pod are as follows: min ...
user6760's user avatar
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3 votes
1 answer
394 views

Calculating drop time from a spaceship to a planet

In my story, we have a spaceship orbiting at "LEO" around a foreign planet. The planet has 0.6g gravity. same atmosphere density as Earth. The ship orbits at 600km with an orbit time of 100 ...
Noam Josephides's user avatar
11 votes
11 answers
3k views

What would space equivalent of trucks look like? [closed]

I'm writing a story and the peoples' given profession is basically "space truckers": delivering small-to-medium containers of cargo across long distances in the galaxy. Because the journeys ...
E. Delaney's user avatar
2 votes
5 answers
304 views

How large a mass could a spacecraft tow between solar systems?

For the purposes of this question, let's assume space travel does not involve 'shortcuts' through other dimensions (like so-called hyperspace) and that 'tractor-beam' technology exists. Provided the ...
king of panes's user avatar
1 vote
3 answers
645 views

How could one defend against a concentrated neutron beam in a hard sci-fi setting?

I'm thinking of adding a neutron beam cannon to my hard sci-fi setting (basically works by accelerating a bunch of ions and then shooting them at a beryllium foil target (see here). However, I don't ...
Jake's user avatar
  • 111
3 votes
3 answers
159 views

How could a spacecraft defend against a train of small hypervelocity impactors?

Hypervelocity (30 km/s) impactors tend not to penetrate that deep, even though they can have an enormous amount of kinetic energy. The penetration depth can be approximated by $l_i \sqrt{\rho_i/\rho_a}...
causative's user avatar
  • 7,302
16 votes
9 answers
2k views

Realistic protection for spaceships against kinetic projectiles

With relatively current technology (i.e. no force shields, etc) what are ways to protect a spaceship (or at least mitigate the amount of damage) against hypervelocity kinetic projectiles? I'm a ...
Oak135's user avatar
  • 161
12 votes
7 answers
4k views

Can a spaceship "hitchhike" on an explosion to escape a gravity well?

Common in sci-fi tropes but absolutely climactic nonetheless, a spaceship faces impending doom after encountering a gravity well such as a stellar black hole. The spaceship's captain gives the order ...
user6760's user avatar
  • 48k
3 votes
3 answers
275 views

How would you get a ship out of a gravity well?

Context I'm helping a friend with a hard sci-fi story and we ran into an issue. In this setting the technology for absurdly powerful and efficient fusion drives which seem not to have heat managment ...
Shift_register's user avatar
7 votes
10 answers
4k views

Avoiding time travel or causality stuff

How to avoid blatantly time traveling or breaking causality in a big way when getting my characters to places quickly (Faster than light)? The method used is a tunnel in some sort of different space ...
Woli's user avatar
  • 415
10 votes
22 answers
5k views

Necessity of army and navy in a space warfare setting

I'm writing a realistic sci fi story involving interstellar conflict , where space warships (assume something like star destroyers from star wars) are the norm, These warships are capable of orbital ...
Zetrox's user avatar
  • 438
3 votes
1 answer
211 views

How much liquid hydrogen is required to veer a manned probe off course into an escape trajectory in deep space?

I am working on this horror-scifi story based on the lost cosmonauts theory, where the Judica-Cordiglia brothers detected an SOS from a manned probe veering off into space before Yuri Gagarin ahem... ...
Alastor's user avatar
  • 3,412
9 votes
3 answers
3k views

What would it take for a spacecraft to travel to the sun's nadir and stop?

In a science fiction future universe, spacecraft routinely travel from a distance "above" a star's north or south pole to rendezvous with planets orbiting in the star system's orbital plane. ...
Scottoooooo's user avatar
6 votes
4 answers
1k views

Possibility of solar powered space stations around a red dwarf

I have an earth-like world orbiting an M7 red dwarf on the outer edge of the habitable zone(0.0443AU). Since red dwarfs emit more infrared light than visible light, solar panels would probably not be ...
Fox Studios's user avatar
10 votes
8 answers
5k views

Space-ships and stations...made from cast-iron?

If there's two things i love, it's space-flight, and late 19th century technology, and i hope to implement as much of the latter into as much of the former in my current setting. And one thing that ...
NimRad's user avatar
  • 1,222
1 vote
4 answers
176 views

How would a species without optical vision navigate a spaceship? [duplicate]

I wanted to create an alien species with an interstellar civilization, but the twist is that they never developed eyes, due to evolving on a planet far enough away from its star that it’s shrouded in ...
Daikyu Maryu's user avatar
  • 1,173
0 votes
2 answers
304 views

How to protect against laser blinding warfare?

Here is the problem: You have a spaceship, with cameras and view ports, and there is a new laser technique going around: Simply shoot cameras with your laser, and blind anyone who tries to peer ...
Kraken Writhing's user avatar
0 votes
0 answers
63 views

Viability of lasers in space [duplicate]

Specifically, if lasers were to be used as a weapon, or as a mining tool, for a spaceship, would it be at all practical? Most spaceships in my world are made of aluminum and/or titanium, at least ...
Kraken Writhing's user avatar
4 votes
2 answers
1k views

Amount of antimatter needed to propel large spacecraft?

Okay, So i'm not really into physics or mathematics but i'm trying my best to learn some bit of how the calculations needed for the amount of antimatter needed to propel a spacecrafft to relativistic ...
Ashimix's user avatar
  • 567
4 votes
2 answers
746 views

Spacecraft Design of a Cold-Blooded Humanoid Race

I was talking with a friend recently and he reasoned that a cold-blooded race would take longer to get to space, but survive more easily once the technology progressed enough. The rationale was that a ...
hjk321's user avatar
  • 195
0 votes
0 answers
33 views

Minimum circumference of a rotating spacecraft with artificial gravity [duplicate]

In a rotating spacecraft that can generate artificial gravity similar to Earth’s, what would be the minimum circumference of the rotating system that would allow humans to comfortably live and work ...
Aelion's user avatar
  • 1
11 votes
10 answers
3k views

Engines capable of surviving a highly destructive space battle

Context: It is set 50 000 years from "now" in no-FTL interstellar setting. The idea is that active defences and armor of spacecrafts have obscenely advanced to the point that any projectile ...
Kugelblitz's user avatar
6 votes
8 answers
3k views

Feasibility of “invisible” orbital bombs

The fleet is in orbit around the planet. The enemy is in a similar orbit, and they vastly outnumber the allies. The allies have a plan, ‘invisible’ bombs, incapable of being seen will float in orbit ...
Blue Skin and Glowing Red Eyes's user avatar
0 votes
1 answer
94 views

Practical effects of Torchship-strength Magnetic Nozzles [closed]

In a sci-fi universe with high-end interplanetary torchship technology (think the Expanse), high-speed space travel is normalized, with ships of all sizes regularly traveling between planets on the ...
Ciac32's user avatar
  • 17
2 votes
3 answers
429 views

What kind of interior doors make sense on a space station?

We are on an orbiting research station in the near-ish future (100-200 years from now?)—like the ISS but bigger and with a little more space for comfort and convenience. My protagonists have been ...
SeriousHatOn's user avatar
12 votes
12 answers
3k views

Can it make sense for a spaceship to be crewed by many individual AI, rather than a handful with all the processing power?

Related to my previous question regarding fine dining for computer processes. Background We've got a spaceship sailing through the ocean black, crewed entirely by self-aware artificial intelligences. ...
KeizerHarm's user avatar
  • 14.4k
3 votes
1 answer
252 views

Seeking chart of nebula particle density vs. ship velocity

The traditional Sci-Fi nebula is thick as ketchup (I'm lookin' at you Star Trek!) but the reality of nebulae we know about is that a pilot wouldn't even notice that they're in one due to particle ...
JBH's user avatar
  • 124k
5 votes
6 answers
2k views

Would a nebula cause resistance and disrupt sensors on a space ship?

If a ship is moving through a nebula, would it slow down due to the gases and dust in the cloud, and would it prevent things like radar from having as much range as they usually could? I want to ...
Chuck's user avatar
  • 1,389
24 votes
24 answers
6k views

What would stop a large spaceship from looking like a flying brick?

In the far future, galactic space travel is now a common reality, and spaceships reach sizes of over 1 kilometer in length. Any capital ship in existence would therefore be designed for functionality, ...
WarpPrime's user avatar
  • 1,009
2 votes
1 answer
137 views

Alt-history continuation of Dynasoar program

Just hopping over from SpaceExploration I'd like to know how realistic a use-case the DynaSoar spacecraft would be for a Titan descent craft, in terms of in-universe realism. I'm assuming no far-...
Anti Elon Guy's user avatar
3 votes
4 answers
170 views

Would a life support system designed for space be practical on a planet?

Considering the: required reflectivity and insulation from heat from a star, heat dissipation capability (radiators, other methods), general conductivity of the skin, of a modern spacecraft e.g. ISS,...
Ahmed Tawfik's user avatar
30 votes
11 answers
7k views

What parts of a spaceship would still work 100 million years later?

A spacecraft designed for interstellar travel is discovered 100 million years later. What pieces of it still work, what parts would be easily repairable, and what would still be even vaguely ...
Zags's user avatar
  • 2,707
-1 votes
2 answers
151 views

How does a Person survive an intergalactic voayage?

Intergalactic voyages are long, they go over quite large distances, but you, a human in the Milky Way, want to see a galaxy beyond our own with your own eyes and live there. At 99% the speed of light, ...
skout's user avatar
  • 2,058
4 votes
2 answers
722 views

How Much of the Universe Could Humanity Conquer?

Imagine that less than a million years from now, probably in the hundreds of thousands, humanity has spread throughout the galaxy. There are afew aliens here and there, but that is insignificant, they ...
skout's user avatar
  • 2,058
1 vote
1 answer
221 views

Would this design for a generational star ship be realistic for traveling to Alpha Centauri?

https://www.tinkercad.com/things/6hFXA0L0dOW I am writing a story with where the main character discovers this ship traveling to Alpha Centauri because our solar system has been devoured by a black ...
user11937382's user avatar
4 votes
1 answer
602 views

Near-instantaneous inter-star communication utilising wormholes

This is my first question on the worldbuilding stack exchange, I discovered this place last night when double-checking that my world's river-carving-through-a-mountain-range is possible (it was, which ...
Katy's user avatar
  • 137
3 votes
1 answer
781 views

Survival in a low-oxygen environment

I have a small group of astronauts in a damaged vessel, adrift for days with a non-functional environmental system/scrubbers. Ambient oxygen levels are low, but they have some emergency tanks of ...
bird's user avatar
  • 39
6 votes
5 answers
2k views

Could standard aircraft(planes, helicopers, etc.) work as spacecraft in this world?

Ok, so I have this world(or maybe it will just be a dimension depending on how things pan out) called 'The Weird' that has air in space, like Earthlike air(for the most part). Also, the 'planets' or ...
Conan Highwoods's user avatar
4 votes
6 answers
371 views

Alternatives to electricity for energy distribution in a spaceship?

Basically, I want the aesthetics of "EPS conduits" without the soft-sci-fi handwaving of actual Star-Trekian EPS conduits. Is there some system for distributing large amounts of power around ...
Logan R. Kearsley's user avatar

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