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.

Filter by
Sorted by
Tagged with
2
votes
1answer
60 views

What's the best fuel for a lander?

For background, read my question. What would be scientifically the best way to get the lander out of the atmosphere? It is 12ft high and 15 ft long. It's about 11,000 pounds of dry weight (tell me ...
3
votes
3answers
142 views

How close could a small spaceship (or group of ships) get to Earth before being noticed?

This is similar to other questions here (like this one or this one), but I couldn't find one that was identical to it. The scenario: a small spaceship (10-20 meters in size), or possibly a small fleet ...
6
votes
1answer
175 views

Is my fusion thermal drive theoretically possible?

I'm designing what I call a "fusion thermal drive" for my world. Characteristics The drive's purpose is brachistochrone-based intra-system travel. The maximum specific impulse of about 16 ...
2
votes
1answer
141 views

What systems would be needed to keep two halves of a spaceship viable for humans?

A large space colony transport ship (100 colonists) set off for Europa to populate a colony recently built by drones (near future, the 2070s). The six-year flight was going well until unidentified ...
10
votes
8answers
2k views

'Speed Bumps' as a Lethal Trap in Space Ship Combat

Deceleration as a weapon In a very interesting question about the scale of distance useful for a space opera game, I was inspired to consider the use of deceleration as a weapon. Considering humans ...
19
votes
5answers
4k views

Would it be possible to hide a spaceship for 30 000 years in a cave on Earth?

I'm writing a novel, and my protagonists are going to find a small spaceship that was placed in Europe during the arrival of the first humans in Europe. The Neanderthals would have still been there. ...
0
votes
2answers
115 views

How could my newborn AI convince humans to (at least marginally) trust it? [closed]

So, I'm writing a story that involves a newly awoken sentient computer intelligence of genius human level intelligence. It 'grew' naturally from the self-learning 'Expert System' of an automated ...
7
votes
6answers
329 views

Are purely electromagnetic propulsion systems feasible at all?

It seems that one of the main hurdles of creating an interstellar propulsion system is the need to carry reaction mass to accelerate while conserving momentum. Pretty much every "fringe science&...
3
votes
2answers
208 views

Do bigger rocket work better?

Do bigger rockets work better? for example, if a rocket had 5 times the engines of the Saturn 5 and 5 times the fuel could it take 5 times the payload into orbit? Could it take more, or would it take ...
13
votes
12answers
4k views

What is the optimum shape for a space warship which primarily uses rockets for offensive weaponry?

So, I was thinking about this question which I asked a while back, and it occurred to me that the "natural predator" of such ships would be missile and fighter carriers which unleash swarms ...
10
votes
7answers
2k views

Is it possible to blind a spaceship/space warship?

Stealth isn't possible in space, but what if you just shine a laser in their eyes and make a whole lot of noise somewhere else? The situation is this: A shuttle full of pirate marines must dock to a ...
1
vote
3answers
166 views

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 ...
6
votes
1answer
301 views

Is a Solar Jet possible?

A "Solar Jet" in my imagination would be a thruster that collects solar wind with magnetic fields, charges the particles, then expels those charged particles through a nozzle. It could be ...
5
votes
1answer
76 views

Can I roast s'mores using static electricity built up by sailing through a nebula and forks/aluminim?

Keep in mind the ship is sailing through a nebula, it's creating static electricity from the dust and debris (I believe this is possible correct me if not). The s'mores are wrapped in aluminum, there'...
1
vote
3answers
173 views

The most efficient spaceport

In my works of worldbuiling I have constantly come across the problem, How to depict and create the most efficient spaceport possible for an interstellar, super advanced, space fairing species. ...
-3
votes
2answers
97 views

Backyard Planetary Escape: From the Earth to the Moon, the Jeb Kerman way [closed]

A pair of aerospace engineers discovers that the New World Order wants to depopulate Earth by means of starting a nuclear war on the 1st of January of [Enter number between 2025 and 2040]. The elite ...
6
votes
10answers
3k views

How to Salvage From a Sunken Spaceship

This was an idea loosely inspired by a Sci-fi movie that I will not name here. But the relevant part is that it involves an interstellar colony ship landing on a planet and the crew learning that the ...
9
votes
6answers
345 views

Spaceships can't land, and no ships are coming. How to keep the crew alive? [closed]

I've been happily writing along in my story for a bit, but now I've realized that I have no way to refuel/get cargo to my ships. Before, I had a few large ships that could, if needed, hold another ...
3
votes
1answer
100 views

How to redistribute weight on an O'Neill Cylinder? [duplicate]

Problem With a rotating cylinder, applying weight to one side and not the other will cause it to rotate off axis and give it a 'wobble' likely causing undesired gravitational effects. Now clearly ...
14
votes
12answers
3k views

Mostly realistic weapons to assault a planet from orbit

I'm looking for a few weapons which I can use to attack a planet from orbit. I'm not looking to destroy it or make it uninhabitable, just wreck a few things until the occupants stop launching anti-...
6
votes
2answers
732 views

Tesla coils as spaceship weaponry - would they work?

Question- would a tesla coil function in space? What I think would happen- Tesla coils are basically a high DC voltage arcing through the air, searching for the easiest path to ground. A single coil ...
2
votes
4answers
166 views

How long would it take to make three hundred spaceships and an orbital defense system? [closed]

I'm about halfway through a story I'm writing, where aliens invade, beat us up, one spaceship blows them all up, etc, etc, and everyone lives happily ever after. Except they don't. So after they chase ...
15
votes
6answers
3k views

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 ...
21
votes
13answers
5k views

What are most likely to be the first space weapons?

I'm trying to write a mostly realistic space story, and kind of hit a wall when it came to weaponry, so here's the question: What would be the first weapons to be put on a spacecraft? Due to physics ...
3
votes
11answers
3k views

Can FTL travel be achieved with mid-20th century technology? [closed]

Let's say that the FTL system is based upon that of Star Trek, but deviations can be made. FTL technology was discovered through the reverse-engineering of a starship that crashed on the civilization'...
4
votes
1answer
141 views

Performance envelope characteristics for a hard-sci-fi torch-ship

I am working on a new SciFi book and need your expertise to help nail-down mission profile, fuel use, acceleration, mass, etc. for my ships. The books are Hard-Sci-Fi in the sense that everything ...
4
votes
2answers
85 views

Could rockets/VTOLs replace traditional air travel?

So this is obviously a several year old proposal from SpaceX in which they claim that their Starship is capable of being used as a means of traveling anywhere in the world in under an hour. A shiny ...
7
votes
8answers
519 views

What is a realistic space battle when you DON'T want to wipe out the other side?

Usually "space battle" posts want to achieve some particular fantasy aim (like, realistic where fighters still exists), or they are focused on aliens and whatnot. I am instead trying to ...
3
votes
3answers
224 views

How big should I make my space fleets?

I've had this story sitting for a while, but decided to come back to it. I plan on skipping ahead a few decades, where I have a giant space fleets. Assume that the ships are made for humans. Any ...
5
votes
2answers
218 views

Is speed a major factor for a spaceship to perform “tennis racket effect” manuver?

Imagine a one manned spaceship resembling a hockey puck (magnified 1000x) equipped with only a rocket thruster, suppose the spaceship has found a suitable landing site, a hospitable terrestrial planet ...
0
votes
2answers
145 views

How one should use the reality of realistic space combat as a world foundation? [closed]

many believe that space combat as it'll actually be instead of what you see in star wars is not exciting. with the show, the expanse for example, which made an effort to be true to reality, i heard it ...
2
votes
5answers
119 views

Hiding a spaceship on planet/in a town [closed]

My story is going to be a space western, the planet they're on is on the verge of environmental collapse. A town is intending to use a spaceship to reach orbit to join the evacuation efforts, but ...
13
votes
11answers
6k views

Why would spaceships still practice venting precious air?

Despite advancement in air filtration and recycling technology, many spaceships still keep the practice of manually venting air from unoccupied enclosure within the ship. Such practices had been ...
5
votes
2answers
111 views

How To Justify Sound? [closed]

I'm making a multiplayer videogame where the characters are AI piloting spaceships fighting other AI piloted spaceships where the entire premise is that everything follows the laws of physics and ...
19
votes
11answers
5k views

How big could a space-ship get while still being plausible?

Background: In a society where human beings have lived among the stars for tens of thousands of years, they would have accumulated a lot of junk, so they just decided to throw a lot of it onto ...
10
votes
12answers
3k views

What do stranded astronauts eat in space

As a background, a team of seven astronauts embark on a journey through space. Their aim is to find the source of radio waves that have been attributed to communication from a distant planet (...
21
votes
3answers
4k views

Why would a nuclear powered spaceship needs to wait a few days before restarting the reactor engine?

Set some 50 years in the future, every spaceship in space is powered by a nuclear powered reactor and most of them came equipped with an ion propulsion engine for acceleration. I noticed that every ...
8
votes
9answers
350 views

System of government inside a generational ship (videogame)

I'm designing a sci-fi videogame. But I've many doubts about the hierarchical structure. On a ship "the captain" is the highest authority, directs, coordinates and controls all activities, ...
18
votes
12answers
4k views

Ancient space exploration

What changes would you have to make to humans, the Earth, or the entire universe for humans to be able to go to explore the Moon and Mars with the technology levels of the Renaissance?
5
votes
10answers
3k views

How can space-mines be improved as a viable weapons in interplanetary space warefare?

Set in the distant future, two factions are engaged in bitter conflict spread across the solar system. The Earth Federation wants to deprive the rebels hiding among the moons of the gas giants of ...
7
votes
3answers
2k views

Could you create a space craft that is powered by neutrinos mostly?

I was thinking whether neutrinos (or antineutrinos) could be used to propel space craft. This is because neutrinos are plentiful in the universe. What if neutrinos could interact through the weak ...
6
votes
3answers
153 views

Restricted Directions for an Alcubierre Drive?

It's my understanding that if an Alcubierre drive were to be constructed, it would be able to function as a time machine because there would be certain paths through you could take to get to a ...
-2
votes
2answers
133 views

how viable would a star fighter really by in space warfare? [duplicate]

I have heard it said that such would not be a viable platform given that weapons would have such range and accuracy in space, that a star fighter could be sniped away before it even became a threat. ...
3
votes
4answers
95 views

Stranding my colonists on an alien planet they were supposed to eventually inhabit [closed]

So the background is that a colony ship has arrived in the orbit of a habitable, Earth-like planet. The colonists are in cryosleep and are being woken up in batches. An initial round of scouting the ...
1
vote
2answers
87 views

What defensive technology for starships that would make them invulnerable? [closed]

Imagine a science fiction universe where... most races have a large amount of excess energy (i.e., fusion), AGI is very rare (not a consideration), interstellar travel is fairly standard via ...
9
votes
7answers
2k views

How can a massive ship be partially destroyed in reentry, but have the top part still intact?

In my world a giant ship attempts to land on a planet, sadly it fails. Fortunately the top half is intact but the bottom is ripped up, holes all over it, basically destroyed except for some lucky ...
3
votes
4answers
210 views

What laws of physics would need to be broken in order to travel in space faster?

I have a spaceship which I want to have travel very quickly around a system like our own solar system -- let's say about 10 million miles per minute, which would go from Mars to Earth in ~15 minutes. ...
4
votes
2answers
188 views

Would it be possible to build numerous spaceships that could transport 10 million people in the late 2100's?

The crafts would have to contain large farms in order to sustain the immense amount of people, and they'd obviously have to be large and spacious to have good living conditions. I did some research, ...
12
votes
10answers
612 views

Economics aboard a colony ship [closed]

Suppose we have an interstellar generation ship, with an initial population of about 10,000 and a final population (on arrival) of about 20,000. Since they're traveling for sixty-some-odd years, ...
5
votes
3answers
170 views

Can a coilgun be used to boost a traditionally or non-traditionally chemically powered weapon?

So, I was wondering if for small scale weaponry (150mm guns and smaller) using a coilgun to assist in the acceleration of a traditional chemically accelerated round, either while in the barrel burning ...

1
2 3 4 5
14