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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2
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0answers
35 views

How would a rail gun affect the trajectory of a spacecraft?

What sort of force would a railgun need to produce to have a measurable affect on the trajectory of a large spacecraft? In the scifi book I am working on the primary craft of the story is a military ...
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2answers
111 views

Cooling the interior of a spacecraft to below the freezing point

I understand the Apollo 13 CM got down to 39°F after it was powered down following the explosion in the oxygen tank. Could the interior of the ISS be cooled (for more than 12 hours) to below 32°F ...
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2answers
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Are there existing Earthly body plans that make trapezoid or hexagonal spacecraft volume efficient?

Volume efficiency is extremely important when it comes to minimising the targettable cross-section of a warship in space. Humans make pretty efficient use of spaces that are generally square or ...
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8answers
2k views

Historical experience as a guide to warship design?

I've been working on designs for some model starships, in particular warships. My working assumption has been that the designs and materials for these ships will reflect the way that the civilisation ...
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2answers
2k views

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 ...
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2answers
263 views

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 ...
8
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2answers
290 views

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 ...
3
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3answers
170 views

“Parking” at Lagrange 4 or 5?

During a space cold war, a ship from the ideological enemy is not allowed remain in orbit while some of their investigators visit a crash site. The reason why is narrative – to separate the ...
41
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29answers
5k views

Justifying Affordable Bespoke Spaceships

Any story about an independent, self-owned tramp spaceship crew tends to implicitly or explicitly raise the question of how the crew got a spaceship, how it afforded it, and why it doesn't just sell ...
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12answers
7k views

Can an escape pod land on Earth from orbit and not be immediately detected?

I'm writing a soft scifi novel that has its fair share "fi" but every now and then I feel it important to acknowledge some "sci." In this scenario, a spaceship is in orbit and about to land on ...
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13answers
6k views

What plausible reason could I give for my FTL drive only working in space

I’ve created a fairly fleshed out, detailed FTL concept. Basically, you have a circular starship, with a ring of tungsten encircling that, held in place by an antigravity ring beneath it. The rim of ...
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10answers
7k views

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 make ...
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3answers
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Launching spaceships from the outer edge of a rotating wheel space station

Based on Docking on the outer edge of a rotating wheel space station would it be impractical to launch ships off of the outer edge of a rotating wheel space station? Whether launching the ships along ...
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2answers
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Docking on the outer edge of a rotating wheel space station

Assuming such a space station needed to have its central hub not used for docking spacecraft, would it be plausible for a spacecraft to dock on the outer edge of a rotating wheel if the ship ...
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5answers
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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 ...
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1answer
150 views

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 ...
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6answers
1k views

Could there be something like aerobatic smoke trails in the vacuum of space?

Whether exhaust from a solid rocket engine, or something released by spaceships in flight (like aerobatic smoke in the atmosphere), could extended trails behind a ship be created that would not ...
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5answers
449 views

How does the atmosphere of this spaceship work if my brain doesn't?

I want to have air and STP (standard temperature and pressure) around my spaceship. Other properties: Objects can enter and exit it without bumping into any kind of a barrier? In fact, there doesn't ...
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6answers
200 views

Why wouldn't my nuclear spaceships eject spent fuel?

In the year 2069AD, a spaceship is transporting hundreds of people in cryogenic sleep to a distant star. The spaceship engine is a nuclear fission reactor and its thruster is based on an ion drive for ...
4
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9answers
243 views

Nuclear Space Defence!

So I'm going for a pretty realistic setting and I don't like shields, they break the style of realism I'm going for. So for the most part defence is accomplished by dodging (which at the incredible ...
5
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3answers
169 views

How to effectively convince a populace living in a dome, that they're experiencing a spaceship landing?

I have a population living in a dome, and they have been for generations, totally sealed off from the outside world. What type of engineering would need to be in place to effectively convince the ...
3
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3answers
93 views

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 if ...
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1answer
122 views

Is using light as a reactive mass in a rocket engine possible? [closed]

How practical would be a rocket that would use laser light as a reactive mass, given there is a very efficient electric energy source or storage?
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3answers
2k views

Black holes as heat sinks

Cooling in space is a well known difficulty. There are many unpleasant consequences like no stealth in space, difficult space battles which turn into a short wars of attrition (because you have to ...
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6answers
354 views

Flight paths in orbit around Ceres?

In my sci-fi world, mankind has begun colonization of the large asteroid Ceres. It's a mining hub, with a lot of cargo vessels transporting things in and out. Hydrogen peroxide fuel is cheap and ...
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26answers
5k views

Keeping a retro style to sci-fi spaceships?

In my sci-fi world, mankind has begun colonization of the large asteroid Ceres. There are several established towns on the surface, but most of the population live underground in icy/rocky caves. The ...
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3answers
132 views

What advantages would a “night watch” of Androids have compared to just the ship's onboard systems?

The industrial company Astor since 2124 has equipped all "Long Hauls" (voyages beyond 3 months) with cryopofs in accordance with a new company bylaw and cost cutting measure (less resources the crew ...
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2answers
228 views

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 ...
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5answers
3k views

Could gravitational lensing be used to protect a spaceship from a laser?

Suppose Ship A is being targeted by Ship B, which intends to use a laser weapon in an attempt to destroy Ship A. Ship A has special technology that allows it to alter gravity (mainly used for ...
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3answers
269 views

A collective noun for a group of spaceships [closed]

A shrewdness of apes, an unkindness of ravens, a murder of crows...I wonder how to call a collection of spaceships often seen in the proximity to my planet that is apparently a fruit of a particular ...
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6answers
387 views

You are murderous alien pirates, how do you get onboard a victim's spaceship? [closed]

Backstory: One space-faring civilization detects evidence of intelligent/sapient life on another planet. They send emissaries. The people on the planet, a species of intelligent apex predators, ...
5
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7answers
184 views

Feasibility or challenges of using stealth “fighters” for weapon control

So, say you have a stealth technology that is really effective. But, the tech is too big to mount on missiles, and anything over a certain size (like a space ship) is too large to hide properly. If ...
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2answers
195 views

Effects of a supermassive ship crash landing on a planet

My planet is a 20% larger than the earth, assume a similar atmosphere, but it can be changed to fit the narrative. My ship is not so large as in the original question, a cylinder shape, about a ...
2
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3answers
127 views

Is spaceship made of precast reinforced concrete tougher than those malleable alloy?

Set in the mid 22nd century AD, a major construction work is being carried out in the orbit of Uranus. The military is developing a cheaper fleets using precast reinforced concrete(PRC) hoping to ...
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4answers
1k views

How can a long spaceship combat torsion and shear stress while moving in space?

Set in the late 22nd century AD, spaceship designs are becoming more streamlined and have longer bodies measuring from the tip at the front of ship to the thruster located at the back of the ship. ...
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2answers
49 views

How to protect astronauts and spacecraft from solar flares on long space journey?

Background I have a spacecraft traveling from one planet to another, say from Earth to Venus. The journey will take at the least several weeks. During this time, the sun will emit a number of solar ...
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3answers
84 views

How to compromise block chain force shield? [closed]

Set in the distant future, a notorious terrorist group infamously known as "51 Crew" is planning an ambush near the orbit of Thebe, Jovian moon. In the next few hours an armoured shuttle holding a ...
15
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7answers
3k views

What kind of footwear is suitable for walking in micro gravity environment?

Set in the near future, the interior of the spaceship is coated with thin layers of Teflon approximately 10mm average thickness on top of titanium alloy which in case you are wondering it is weakly ...
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2answers
111 views

How does steppenwolf planet generates typhoon?

In a distant future, a spaceship was investigating a gravitational anomaly somewhere within a chartered sector in the Andromeda galaxy. A disaster strikes and the spaceship was found marooned on a ...
8
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10answers
431 views

A system for transporting people from a spinning ring up a conduit to a spaceship

I have a spaceship which is basically a cylinder a little less then a kilometer long. Attached to the ship by pylons connected to a hub is an inhabited ring which spins to produce a gravity-like ...
7
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10answers
457 views

Military Implications of Instantaneous FTL?

In an example future world, one can use some form of FTL to instantaneously transport any ship from one point to another point (within the same galaxy, to keep things simple). The device required to ...
12
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8answers
3k views

How would an energy-based “projectile” blow up a spaceship?

I have noticed this in many fictions: during a battle between spaceships exchanging fire in empty space, a pulse of laser fire hits the hull and the entire spaceship explodes into many pieces. Is ...
53
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19answers
11k views

How do spaceships determine each other's mass in space?

Set in the distant future, space travel becomes prominent and cheap. I can imagine each spaceship would have a multitude array of sensors to track distance and relative position in space. Is there a ...
8
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4answers
223 views

Microfracture in the ship's structure: good enough excuse to strand my characters? [closed]

I have the idea to have the engineer of a spaceship discover a "microfracture" in the ship's key structural framework (that was overlooked when prior battle damage was fixed) that has been slowly ...
2
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4answers
238 views

What use is growing body hair in space?

It is important to tie up loose ends especially when in micro-gravity environment, we sure do not want to accidentally damage the delicate pieces of equipment crucial for keeping the spacers alive and ...
7
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6answers
819 views

Spaceship design and modelling tools

I'm not quite sure if this question fits in with worldbuilding but I have honestly no idea where else I would ask it. I've recently stumbled upon a 'ship designer' tool that allows you to build and ...
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15answers
2k views

Highly technological aliens land nuclear fusion powered ships in medieval city and slaughter everyone, using swords? [closed]

I want to create a scenario where highly technological aliens invade a medieval earth, the kind with magic and dragons and such. But I don't want the aliens to be completely overpowered. I want them ...
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4answers
1k views

How can a large fleets maintain formation in interstellar space?

Earth is under attack, the empire has gathered thousands of battleships each has a displacement of 500,000 metric tonnes and 20 motherships with a displacement of over 15 million metric tonnes now ...
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18answers
10k views

Why would space fleets be aligned?

Recently I noticed how space fleets are all constructed so the ships are all aligned. With 'aligned' I mean the way how all ships seem to have a 'right way up' and that all the ships have the same ...
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14answers
35k views

Why zero tolerance on nudity in space?

Set in the immediate future, mankind visits Titan, moon of Saturn for the first time. A manned space station goes into orbit around the moon once every 4-5 hours. Actually there have been many people ...