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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.

9
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4answers
399 views

What torch-ship engine requires the least complex control system?

A side shot from my series on a computer-less future; see here, here, and here. Project Rho defines a torch-drive as an engine with both high acceleration and high exhaust velocity. A torch-ship is a ...
0
votes
1answer
33 views

Can a spaceship land on a strongly magnetic planet? [closed]

What would happen to a spaceship if it tried to land on a planet that had a magnetic field as strong as Jupiter's?
3
votes
1answer
85 views

In the event of a space ship crash landing, where is the ship most likely to crash land? [closed]

This isn't a perfect map, and it's not a perfect model considering it is a 2D surface and my question relies on a 3D scenario, however it offers a general idea for what I want. In the bottom left hand ...
-2
votes
1answer
118 views

Reasoning on conditions required to argument long term high federal investments in space exploration [closed]

History has shown that the Space Race in the 20th century between US and Soviets has been high enough to motivate US to increase federal NASA budget to [about 4%] of the federal budget 2, compared to ...
24
votes
8answers
2k views

Can you catch a spaceship with a train on the Moon?

In Kim Stanley Robinson’s new novel Red Moon the first few pages describe a method of Earth-to-Moon transportation that I had not encountered before. The idea is to use a magnetically levitated and ...
1
vote
1answer
92 views

Would there be any need for a space battle? [closed]

In space fantasy movies, you see huge space-battleships, like Star Wars. You have to think of stuff like that. These battleships: Fight at a close range Mostly laser guns Have smaller fighter ...
4
votes
5answers
2k views

If a space shuttle was going to crash during a botched landing back on earth, is there any way for crew to eject safely before impact? [closed]

If a space shuttle is going to crash during a botched landing back on earth, is there any possible way (emergency vessel, etc.?) for crew to eject and land safely away from the shuttle?
7
votes
4answers
2k views

How would a real modern day space shuttle operate without satellites or any kind of communications signals?

what role do satellites, communication towers, GPS, etc. play in the operation of, and specifically the landing of, a space shuttle? If those and any other human-made things suddenly disappeared, ...
3
votes
2answers
209 views

Individual vs communal shuttle pods?

So in my story, a spaceship populated with about 250 people has reached its destination, an Earth-like planet. It's uninhabited, and consider the weather is just typical, sunny-day with a slight ...
25
votes
8answers
5k views

Do antenna farms on spacecraft make any sense or are they purely aesthetic?

Antenna farm as seen on the USS Sulaco from Aliens (1986) We often see menacing sharp communication spikes and clusters on spacecraft in movies, shows, games, and etc. It makes the ship look more ...
3
votes
5answers
92 views

Resource from enemy space ships as currency [closed]

I am developing a space ship game (where you fight against enemy space ships) and want to consider which resource should be used as game currency. In comparison to classic fantasy/medieval universe ...
5
votes
2answers
259 views

How much mass does an object in low earth orbit need to create visible gravitational effects on the surface?

The question stems from watching a scene from ID2 and seeing the massive alien mothership landing/crashing on the North Atlantic. What mass would a starship, or any other artificial object ...
3
votes
2answers
192 views

Vampires in space

The setting is our Earth of today (2018) with one difference: some Space Agency decided to go back the Moon and built a ship that is ready to depart, using today's technology. For reasons, the crew ...
-1
votes
2answers
93 views

Free energy in space [closed]

On earth we know that if we rotate a motor electrical energy is produced but dues to friction and absense of force the motor do not rotate continuously. But if we are in Space where friction is zero ...
56
votes
19answers
11k views

How do I make a space battle both realistic, with physics in play such as no sound and weird motion, but also very epic and intense still?

I always wondered what it would look like for a Sci-Fi battle in space to occur if it were a bit more realistic. I don't plan to use any space fighters or anything like that, just big capital ships ...
5
votes
5answers
255 views

What is the best way to vent gas to cool a star cruiser?

Generating physical effects with energy generates waste heat. Using a lot of energy, say, by firing a rail gun or a MW laser, generates a lot of heat. A discussion of waste heat issues can be found at ...
16
votes
5answers
7k views

How do my spacefarers not get crushed accelerating to 0.2c?

Inhabitants of another planet (their biology is yet undefined, and if helpful to solving the problem, suggestions can be included in the answer), have a spaceship in which they plan to accelerate to 0....
12
votes
3answers
309 views

How far from the Sun could we detect an alien spacecraft similar to the Voyagers?

Suppose that there is an alien spacecraft travelling towards the Sun. This spacecraft is similar in design, size and power output to Voyager 1 and Voyager 2 as they were immediately after launch from ...
8
votes
1answer
250 views

How long does a derelict spaceship last in orbit?

This is the premise: the occupants of a spaceship die hundreds of millions of years in the past orbiting above a Earth-sized planet. It has a supercomputer that allows the ship to still fire its ...
4
votes
6answers
211 views

Non-nautical term for space marines [closed]

Many science fiction stories describe soldiers who perform spaceship boarding/defense or planetary invasions as "space marines." This is by analogy to modern marines who historically specialize in ...
3
votes
2answers
131 views

Considerations for hypothetical ship designs using a gravity generator for propulsion? [closed]

Edit: I'm exploring an idea for a hypothetically possible form of propulsion for a sci-fi story. My question is if, based on what I describe below, other folks might have some ideas about how the ...
-1
votes
3answers
109 views

Extraterrestrial blackmail by reversible sun block [duplicate]

In a near future scenario where humanity has a slightly more developed/active space flight. Think colonising the moon with regular space flights back and forth. But no fancy interstellar tech. ...
19
votes
10answers
5k views

Planetary defense in an interstellar society

Let's say that you are some sort of tyrannical dictator of an inhabited world with futuristic technology (ex. railguns, a fully automated labor force, efficient space travel.) You know that within ...
-1
votes
2answers
126 views

An orbiting space ship visible from earth [duplicate]

How large does an orbiting space ship have to be in order for it to be visible from earth? I'm assuming I could crunch out some numbers to determine this, but I can see the calculations getting quite ...
3
votes
1answer
46 views

High-atmosphere wind dangers on a rocky planet

What would be a good way to explain dangerous winds on a rocky planet like mars? I'm looking to create a dangerous situation for atmospheric pilots trying to land, specifically for sudden changes in ...
2
votes
3answers
186 views

Best Rocket Engine for a 12 Light Year Journey?

I'm writing a Colonization story, and I'm trying to determine which propulsion system would be the best option. The destination is Kapteyn b, 12.76Ly from Earth, and our 40K colonists will be in ...
12
votes
5answers
3k views

I need a way for a NASA spaceship to be able to dock with the hatch of an alien ship

I need a way for a NASA spaceship to be able to dock with the hatch of an alien spacecraft. The alien ship is automated so there's no communication, and being alien, the hatches on both ships should ...
8
votes
3answers
540 views

Spaceship Emission Security

In my military scifi novel the military is, obviously, very concerned with security aboard its spaceships. They don't want other people to be able to receive any information about what happens on ...
2
votes
3answers
146 views

Making a 180 degree turn around a star

For a book under construction, I need a starship to make a 180 degree turn rather quickly. Give him sub-light speed in a star system (no relativistic effects) and on a path to the system primary. I ...
8
votes
15answers
792 views

Where on my spaceship can I justify more space for my humans?

Spaceships are a peculiar thing; as are the Humies - the hardy folks working and living inside these hunks of metal for weeks or months at a time. Ironically in space living-space is at a premium. Any ...
-2
votes
1answer
143 views

What if a spaceship with an Alcubierre Drive crashed?

Exactly what the question says. What if a spaceship the size and mass of a space shuttle with a full fuel, that has an Alcubierre Drive on it crashed into the Earth at 8 km/s? ( And no, I'm not ...
1
vote
6answers
870 views

Crashland onto a new planet: Origin of the Legal System?

I've been researching the origins of my world's legal system. I'm trying to develop it over time in a somewhat logical and organic manner and I've come to realise that I don't yet have a clear idea of ...
35
votes
6answers
5k views

What light colors/bulbs should be used inside a spaceship?

I've noticed in recent scifi shows/movies such as the Expanse or Star Trek that the lighting inside spaceships have two characteristics: Punishingly blue lighting Dark/dimmed miscellaneous lighting ...
2
votes
5answers
294 views

Can we visually identify a fleet from Earth with modern technology?

Two fleets from opposing factions are approaching each other at sublight speed at the edge of our Solar System. The Earth is in a position to affect the outcome of the battle, (i.e, superweapon, etc.) ...
3
votes
2answers
142 views

What would happen if a spaceship had a total power failure in regards to the crew? [closed]

On a spaceship with a total loss of power, say for instance, because of a system failure or something, what would happen to the people aboard? Would they become hypoxic? And would it get warmer or ...
0
votes
6answers
869 views

How to Defend Damaged Space Ships from Raiders

Story Details After a massive space battle that took place over a planet, the invading forces won, but with heavy losses on both sides. The space around the planet was littered with the bodies of the ...
-1
votes
2answers
157 views

What materials would be needed to build a homemade spaceship, in the apocalypse?

So, out in Kansas, in the DEC Oil Refinery, a group of people, called simply the Disciples, have set up a community. From the outside, it seems like a utopia, one where man and mutant get along ...
-2
votes
1answer
116 views

Reason to stay on a doomed spaceship [closed]

For plot reasons, the captain must stay on the ship while his crew (including his wife) get in escape pods and leave. Unfortunately we haven't found a satisfying reason for this yet. What engine or ...
1
vote
1answer
86 views

Viability of a Space Submarine [duplicate]

While designing / justifying elements of spacecraft design on this forum over the last year or so, it has struck me that (superficially at least) submarines have a lot in common with my prototypical ...
26
votes
6answers
5k views

Reality of glass (or some sort of transparent composite) windows on spaceships

In the relatively realistic (hopefully), near future, scifi book I am writing I am at a point where I am describing the observation deck of a large ship belonging to a wealthy "business man" (see ...
2
votes
2answers
250 views

Could near light speed ship dilate time severely enough to explore other stars with out breaking the light speed barrier?

At a constant 1G acceleration it takes a little less than a year to reach near light speed speeds. Time would dilate locally on the ship slowing time for them. Could the time dilation be pushed to ...
1
vote
9answers
427 views

Why might the military not have its soldiers cut their hair?

So, I’ve been working closely with a friend and other user on this site, Jasper, to develop and worldbuild a sci-fi world, which takes place in the 26th century. In that world, all people on Earth and ...
6
votes
4answers
308 views

Feasibility of spacecraft constructed from ice

Eskimos in space! Let's say, just for contextual concerns, that a band of water-rich comet miners want to use water-ice found in the outer Solar System as the main structural and functional component ...
-4
votes
3answers
119 views

Stoning a person to death, without stones? [closed]

So, on a far away planet, a group of about 500 kids who were raised on a spaceship has landed. Well, their not actually children, just people who still have the mentality of children. Most of them are ...
0
votes
2answers
73 views

Which properties would alloys that becomes increasingly reflective as they heat up have? [closed]

One of the things I'm working on for my science fiction setting are reasons for laser weapons to not be very prominent. One of the ideas I came up with was for the primary hull plating of most ships ...
-1
votes
3answers
130 views

Taking over a ship without killing everyone or damaging the ship? [closed]

So, on the planet Anarkos, in the Yucleon sector of the galaxy, the Anarchist terrorists have set up their community, away from all governments that would enforce rules on them, like the Empire and ...
0
votes
3answers
136 views

Could you weaponize an unarmed space shuttle? [closed]

In the 26th century, space travel has become as cheap as air travel, and incredibly safe too. People whizz from solar system to solar system as if they were going from country to country, and the ...
0
votes
4answers
91 views

What plausible circumstances would cause the stranded people to not be found? [closed]

So, a crew of about 500 men and women, who were on a vessel transporting seeds and earth animals, like horses, dogs, and etc. were nearly at their destination, when they were struck by an abandoned ...
0
votes
4answers
171 views

Which of these two spaceships would count as the fastest man made craft ever launched? [closed]

For a while now, I've been "working" on a story where mankind begins to set out towards the stars; and in my procrastination I started to get hung up on something. In the universe I'm working on, ...
3
votes
2answers
192 views

Spaceship boarding drone

Military spaceship wants to perform a boarding action on another spaceship, while both are performing high G manevuers (about 2G let's say). It's too hard to immobilize the enemy ship, so they won't ...