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Q&A

Posts tagged ships

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Q&A What would it take to build a ship capable of crossing the Pacific? [duplicate]

In my story, I have a small extended family of 30 to 40 individuals ranging in age from 0 to 50 who are on the run from Chinese and Japanese forces in 1400AD. No place in Asia is safe for them. By...

0 answers  ·  posted 2y ago by Green‭  ·  closed as duplicate 2y ago by Canina‭

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Q&A Cylindrical radiators on spacecraft?

Having your radiators tactically protected from enemy fire by the armor shape of your space warship is nice, but having a regular one or double-sided radiators is still a vulnerability. Other conce...

2 answers  ·  posted 2y ago by zertofi‭  ·  last activity 2y ago by zertofi‭

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Q&A 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 s...

7 answers  ·  posted 2y ago by Topcode‭  ·  last activity 2y ago by Topcode‭

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Q&A How would one detect a black hole when there are no more light sources for it to refract?

The universe as we know it has ended. The concept of "natural" illumination ended when the last red dwarves and quasars died out. Now, only brown dwarves and blackholes dot the empty void that was ...

5 answers  ·  posted 2y ago by In the name of the story‭  ·  last activity 2y ago by In the name of the story‭

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Q&A 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 minute...

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

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Q&A 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...

2 answers  ·  posted 2y ago by Niobium_Sage‭  ·  last activity 2y ago by Niobium_Sage‭

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Q&A How close an orbit could you get to Earth with a planet-sized object/ship without severely disrupting Earth's orbit?

My idea involves an alien spaceship inside a roughly Earth to Mars sized/massed planet, but the whole planet is displaced when the drive is activated. If you wanted to travel back to our solar syst...

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

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Q&A I'm formulating a planet that has silver dust on its surface, and ideally has rivers of mercury flowing on it, possible? Human survival not necessary

I'm new to this and my scientific knowledge is massively lacking in this area (so please take it easy on me!) I'm writing a historical science-fiction novel. Parts of it set in the past (1977) and ...

3 answers  ·  posted 2y ago by RJ0001‭  ·  last activity 2y ago by RJ0001‭

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Q&A can spacecraft heat be 'vented' with entangled particles?

Basically, the title. Trying to figure out how reasonable stealth in space would function, and while I have mitigated it, I am looking for methods to improve it. But mainly, is creating a sort of h...

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

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Q&A How do I calculate the total time dilation experienced by an accelerating ship?

My advanced human civilisation often has high-acceleration ships travelling at near lightspeed. I know that time dilation would have a significant effect on the time experienced by the crews, but I...

1 answer  ·  posted 2y ago by Starsong67‭  ·  last activity 2y ago by Starsong67‭

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Q&A Building an interstellar starship during transit

Would it be feasible to have an interstellar vessel be constructed in flight after smaller sections are boosted up to speed? The idea here is about using laser sails which would be easier to use wi...

5 answers  ·  posted 2y ago by Adam Reynolds‭  ·  last activity 2y ago by Adam Reynolds‭

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Q&A Time reversal by the means of lightspeed

In Star Trek, going faster then light will take you back in time (Possibly in real life too!). But I've noticed one inconsistency. Ships, even when going faster then light, have a finite speed. By ...

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

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Q&A Magnetic sail on rotating ship

I'm thinking about a design like this generation ship, which obviously has spin gravity. Would the fact that the ship is rotating affect the use of a magnetic sail? The magnetic sail as a sort of...

2 answers  ·  posted 2y ago by Adam Reynolds‭  ·  last activity 2y ago by Adam Reynolds‭

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Q&A How to prevent ship's AI from initiating self destruct sequence regardless of captain's permission?

Set in a distant future, every interstellar spaceship runs on antimatter propulsion which can achieve fractional speed of light travel. There is a doctrine stating that all spaceships with mass exc...

2 answers  ·  posted 2y ago by user6760‭  ·  last activity 2y ago by user6760‭

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Q&A Would near-lightspeed spaceships have an aerodynamic shape?

At speeds near the speed of light, interstellar particles and gas may affect the movement of the ship, and microscopic particles may even badly damage the ship. Would not it make sense to make the ...

9 answers  ·  posted 2y ago by Anixx‭  ·  last activity 2y ago by Anixx‭

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Q&A Could a large enough fleet generate tsunamis while moving from a place to another?

Imagine similar earth conditions of oceans and currents, and a renaissance type kind of ships of various sizes (ranging from sloops to ships-of-the-line), could a fleet consisting in 1500 (aprox.) ...

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

Question water currents ships
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Q&A How can space cop arrest the suspicious spacecraft moving at sub-luminal velocity?

Set in a distant future, reports of alien and drug traffickings have been on the rise and there was mounting pressure for Mr User6760, president of intergalactic interpol to resign. The traffickers...

6 answers  ·  posted 2y ago by user6760‭  ·  last activity 2y ago by user6760‭

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Q&A Would making a last ditch effort to skip save the spaceship?

Imagine a spaceship entering Earth's atmosphere, it has lost control of its engines and is relying on its reverse thrusters to decelerate before crashing into the Pacific ocean. So in an attempt ...

8 answers  ·  posted 2y ago by user6760‭  ·  last activity 2y ago by user6760‭

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Q&A What would be the maximum distance from which a space ship could physically see a planet?

A plot point of my novel is that the pilot accidentally finds a planet that is being purposefully hidden (i.e. been deleted from all star maps). It starts with him arriving at a location that is j...

7 answers  ·  posted 3y ago by Primordial‭  ·  last activity 2y ago by Primordial‭

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Q&A How do you send out SOS in space if there is no absolute coordinate?

Imagine your spaceship encountered a gravitational anomaly and discovered that you are lost in space, your computer tells you that you are still inside the Milky Way galaxy but it cannot find the S...

9 answers  ·  posted 2y ago by user6760‭  ·  last activity 2y ago by user6760‭

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Q&A Interchangeable rooms

So, in the S.S Portland (The main setting of my story) there is a variety of rooms. A lounge, a lab, etc. so, i was thinking that at some point, the lounge would be changed out for a 0-g pool. A ba...

2 answers  ·  posted 2y ago by CatSharkSnake‭  ·  last activity 2y ago by CatSharkSnake‭

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Q&A A "time capsule" that can last for trillions of years?

The universe is dying because it has exhausted nearly all of its resources. Humans became the last species in the universe because of their resilience and sheer willpower. And yet, humanity still...

5 answers  ·  posted 3y ago by In the name of the story‭  ·  last activity 3y ago by In the name of the story‭

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Q&A How to prevent crew from accidentally teleporting oneself outside a spaceship with portal gun?

Set in the year 3020 CE, every crew on board has a personal issued portal gun to easily get around the interior of the spaceship. The handheld portal gun can instantly teleport the user along with ...

9 answers  ·  posted 3y ago by user6760‭  ·  last activity 3y ago by user6760‭

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Q&A Is it believable to have a spaceship spin around a weight for artificial gravity?

In my narrative universe, there will be ships that use a 1g acceleration for artificial gravity. However, when they are not accelerating (whether on a longer journey at a constant velocity or simpl...

3 answers  ·  posted 3y ago by user72655‭  ·  last activity 3y ago by user72655‭

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Q&A If a space ship entered Earth orbit, how likely is it to be seen?

Mostly what it says on the tin. If a spaceship, let's say about 200 meters long and 100 meters wide (made of modern materials) was approaching Earth and slowing down (say from 100 km/s to 3km/s), h...

4 answers  ·  posted 3y ago by Aetherfox‭  ·  last activity 3y ago by Aetherfox‭

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Q&A Of all methods of FTL travel (or as close as one can get to it), what would be the most feasible to have been invented in the next 100 years?

It's the late 2020's, and humanity has expressed an unprecedented and powerful renewal in the interest of space exploration. Sometime between then and the turn of the next century, a practical form...

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

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Q&A An entire aircraft carrier group utilizing the ground effect?

I've heard there was no upper limit for the size and weight of a ground effect vehicle. In my world, the people there wanted to design a quick response aircraft carrier that could reach anywhere...

2 answers  ·  posted 3y ago by In the name of the story‭  ·  last activity 3y ago by In the name of the story‭

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Q&A Bare Minimum Tech for Spaceworthy Vessel

In my story, a planet of low-tech natives in the midst of war are abruptly brought into contact with a much more advanced empire. There are many historical precedents for this kind of event, and oc...

18 answers  ·  posted 5y ago by Megalonychidae‭  ·  last activity 3y ago by Megalonychidae‭

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Q&A Planting Trees in Outer Space

Say a group of people travel to a different planet where they have to wear spacesuits to live (because there's no oxygen and because of the atmosphere's density). What would happen if they planted ...

4 answers  ·  posted 3y ago by user613‭  ·  last activity 3y ago by user613‭

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Q&A How would an aquatic, air-breathing species organise its spaceship interior?

It's easy to imagine how would a water-breathing aquatic race outfit its spaceship - take a normal spaceship, insulate it, fill it with oxygenated water, possibly add some enhanced turbines to pump...

6 answers  ·  posted 4y ago by VienLa‭  ·  last activity 3y ago by VienLa‭

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Q&A Would it be more efficient to build fleets in orbit?

My Dino theme park business didn't end well and I reluctantly fall into depression and decided to go into suspended animation to seek a cure. 200 years later, a lady claims she works with the milit...

9 answers  ·  posted 4y ago by user6760‭  ·  last activity 3y ago by user6760‭

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Q&A Aquatic aliens and the effects of acceleration in space-flight

A sentient species of water-dwelling aliens achieve space-flight. Their living quarters contain water [no free gases]. They have evolved over millions of years to regulate their buoyancy at will...

7 answers  ·  posted 4y ago by chasly from UK‭  ·  last activity 3y ago by chasly from UK‭

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Q&A How to hide a spaceship visiting Earth?

So, me and the boys have decided to take a trip down to Earth for reasons that matter not be it science, leisure or fleeing persecution. It is no concern how we blend in but our spacecraft poses an...

4 answers  ·  posted 3y ago by Mendeleev‭  ·  last activity 3y ago by Mendeleev‭

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Q&A Perfect centrifuge crew quarters for a interstellar spaceship?

I want to design a realistic interstellar spaceship that uses centrifugal force for only the crew quarters. But while looking up for designs I found the most common ones are the torus or ring desig...

4 answers  ·  posted 3y ago by Borbman‭  ·  last activity 3y ago by Borbman‭

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Q&A Why don't ejectable fission reactors proliferate if meltdown is still a concern?

Set in the not-so-distant future, interplanetary travels are the norm. Most spaceships are powered by fission reactors, and accidents do happen due to negligence or flaws in the system. It will pro...

1 answer  ·  posted 3y ago by user6760‭  ·  last activity 3y ago by user6760‭

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Q&A Is it possible to place a permanent probe on Uranus?

Before anyone points the finger saying this is a tasteless joke, there are some actual good reasons to pick that specific planet for exploration among the giants in our solar system: Smallest mas...

2 answers  ·  posted 4y ago by Renan‭  ·  last activity 3y ago by Renan‭

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Q&A How could an Earth-like planet support all-metal airships?

When I say all-metal airships, I'm referring to something like the above from Jakub Rozalski's artwork - the design is more akin to a naval destroyer or battleship and less like a zeppelin. We'v...

6 answers  ·  posted 3y ago by Vigilant‭  ·  last activity 3y ago by Vigilant‭

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Q&A Post-apocalyptic aircraft

I have a post-apocalyptic scenario, set in the ruins of an American metropolis with flooded streets. Boats are used most of the time, but aircrafts have advantages, for battle or if you have to get...

2 answers  ·  posted 3y ago by Cee Mon‭  ·  last activity 3y ago by Cee Mon‭

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Q&A Low gravity space shipyard vs micro gravity shipyard

If you had a device, similar to a Stargate, but that allowed seamless two way transfer, and that could be moved (You could essentially strap a rocket on it, and fuel it from Earth), you could just ...

3 answers  ·  posted 3y ago by MartinArrJay‭  ·  last activity 3y ago by MartinArrJay‭

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Q&A Is it necessary for spaceships to include reverse thrusters for deceleration in space?

Set in the not so distant future, space travel becomes commonplace but is limited within the heliosphere. I'm thinking since it is fuel efficient and more economical to use gravity assist to slow d...

6 answers  ·  posted 3y ago by user6760‭  ·  last activity 3y ago by user6760‭

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Q&A Will we need to replace conventional rockets to send manned missions further into space?

Currently, chemical rockets have taken men to Earth orbit and the moon by combusting rocket fuel to generate thrust. Even if we develop more efficient rocket fuels and can create significantly la...

4 answers  ·  posted 6y ago by Antonio Marmo‭  ·  last activity 3y ago by Antonio Marmo‭

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Q&A Designing a safe way to share location of a secret ship

There is a secret ship and it is used by pirates as a recharging point. It has a nuclear reactor as a power source and other ships are using electricity. Let's assume in this world stealth technolo...

6 answers  ·  posted 3y ago by Kirill‭  ·  last activity 3y ago by Kirill‭

Question communication ships
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Q&A Are generation ships inherently implausible?

So I've been thinking about the idea of a series that takes place on a small fleet of generation ships, traveling at around 10% of lightspeed to Proxima Centauri, which should take around half a ce...

15 answers  ·  posted 3y ago by Adam Reynolds‭  ·  last activity 3y ago by Adam Reynolds‭

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Q&A Rapid-repeat re-entry vehicles

In my current writing project, I'm working in a universe where mysterious alien beings travel not directly through space, but through planetary atmospheres via wormholes. These aliens shotgunned th...

4 answers  ·  posted 3y ago by BMF For Monica‭  ·  last activity 3y ago by BMF For Monica‭

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Q&A Would Stirling engines be good in space?

My knowledge of Stirling engines is that they work via a heat difference and are extremely heavy when used on a larger scale. This makes the use of them on vehicles a strange choice when there are ...

8 answers  ·  posted 6y ago by Mendeleev‭  ·  last activity 3y ago by Mendeleev‭

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Q&A What measures to put in place to reduce airlock being used for murder?

Consider a futuristic world where space travel and colonisation of the solar system's planets is an everyday reality. In space vessels, the airlocks are used quite often to execute people. It's fai...

18 answers  ·  posted 3y ago by rluks‭  ·  last activity 3y ago by rluks‭

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Q&A Formula for send and response times of messages at fraction of light speed?

I have a ship that begins the equation traveling at 50 percent the speed of light, but decelerating constantly to finally land on a certain planet (towards which it is moving the entire time). It b...

2 answers  ·  posted 3y ago by Jesse Tate‭  ·  last activity 3y ago by Jesse Tate‭

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Q&A Manufacturing a new propulsion method mid journey

I have an interstellar ship going from earth to a nearby star system using current technology and chemical fuel. The ship has been created and is being managed by a self sufficient android. The an...

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

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Q&A Spin gravity on an abandoned ship

If a cylindrical rocket ship with a diameter of about 350 meters were spinning on its long axis, would more than just the interior surface of the outer hull have artificial gravity? The ships dec...

1 answer  ·  posted 3y ago by carsonogen089‭  ·  last activity 3y ago by carsonogen089‭

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Q&A Transporting radioactive fuels

Imagine a light spaceship capable of traveling at 0.999c is tasked to tow a radioactive cargo containing millions of tons of polonium and radium, however the container holding the radioactive mater...

4 answers  ·  posted 3y ago by user6760‭  ·  last activity 3y ago by user6760‭