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Q&A

Posts tagged space

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Q&A How to keep this artificial water planet from evaporating or freezing?

Piggybacking on this question: Could soft matter infused with nano or pico sized magnets be used to clump together so that we could create environments with it? ...So we have a planet that has low...

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

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Q&A Multiple star system near Sun: better choices

I'm looking for a star system between 15 and 36 ly from Sun with these characteristics: composed by 2 or more stars one of the stars should be a late G/ K type star (it doesn't matter for the ot...

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

Question space stars
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Q&A How would the length of a day-night cycle affect a planet's climate?

I am envisioning a habitable world with an atmosphere comparable to earth's in which one day is extremely long (>100 earth years). Human settlers have successfully colonized a small portion of t...

2 answers  ·  posted 6y ago by Gabe L‭  ·  last activity 6y ago by Gabe L‭

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Q&A How would I transport an atmosphere?

An abandoned outpost from a long extinct race is discovered. It can easily be repaired and would make an ideal location for a colony, however it has been breached and any usable air has been long ...

6 answers  ·  posted 9y ago by Twelfth‭  ·  last activity 6y ago by Twelfth‭

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Q&A Terraform Mars or Dyson Ring?

Background: The main asteroid belt between Mars and Jupiter is the closest and richest source of non terrestrial resources to Earth in the solar system. Even though it is vast its resources are ob...

5 answers  ·  posted 6y ago by anon‭  ·  last activity 6y ago by anon‭

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Q&A Can I monitor animal movements from space?

The Earth-like planet I'm working on is the culmination of years of labor by the galaxy's best scientists. It consists of fully artificial ecosystems, and is, for all intents and purposes, like Ear...

3 answers  ·  posted 6y ago by HDE 226868‭  ·  last activity 6y ago by HDE 226868‭

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Q&A Will be possible in the far future to create an artificial Moon for Earth and terraformed planets?

Will be possible in the far future to use megascale engineering to create an artificial hollow moon to give Earth a big moon in the sky like in billion years ago? Since it would be hollow, it would...

2 answers  ·  posted 6y ago by user18428‭  ·  last activity 6y ago by user18428‭

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Q&A 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 compone...

4 answers  ·  posted 6y ago by B.fox‭  ·  last activity 6y ago by B.fox‭

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Q&A Tree volcano? (A "treecano", if you will)

Okay, so I have a species of tree that's absolutely enormous, 1-5km tall when fully matured. Its immense size is supported by a large base, bark that incorporates a 2-d carbon lattice for strength ...

2 answers  ·  posted 7y ago by Z.Schroeder‭  ·  last activity 6y ago by Z.Schroeder‭

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Q&A Would Gecko Materials Work In A Vacuum

Geckos use the van der Waal force to stick to things, an effect that humans can replicate and make various materials that utilize such (like extra sticky gloves). My question is, would these work i...

2 answers  ·  posted 6y ago by The Imperial‭  ·  last activity 6y ago by The Imperial‭

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Q&A Is using mine shafts to control a building's temperature logical?

I'm writing a story where there is a large mining outpost built on a moon. This mining outpost is one large building holding around a thousand people, with an extensive system of passages and mine...

4 answers  ·  posted 6y ago by PjRock‭  ·  last activity 6y ago by PjRock‭

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Q&A Breathe in space, with or without a suit?

I've been wracking my brain about a world I'm writing in, how to make some group of regular people able to survive in space for extended periods with or without a suit. I can reduce the amount of t...

9 answers  ·  posted 9y ago by C Bauer‭  ·  last activity 6y ago by C Bauer‭

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Q&A The danger of used propellant

Assuming we never break Newton's third law, in the near future thousands of chemical/nuclear/electric powered spaceships will be flying through our solar system expelling reaction mass. Since a g...

4 answers  ·  posted 7y ago by Boz‭  ·  last activity 6y ago by Boz‭

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Q&A How bright does this planet look from its neighboring planet?

I have two planets that share an orbit around a pair of stars at a distance of 2.05 Earth-AU from the Barycenter of those two stars. (I can provide more details about the two stars, if needed) Usi...

1 answer  ·  posted 6y ago by z2a‭  ·  last activity 6y ago by z2a‭

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Q&A How to detect trespassing in space?

So, the United Terran Federation and the Qulian Star empire have been in really bad terms lately. Wars, skirmishes, it pretty bad. So, the UTF and QSE have made an agreement. No ships piloted by ci...

6 answers  ·  posted 6y ago by Jasper R.‭  ·  last activity 6y ago by Jasper R.‭

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Q&A Could complex life evolve after planetary catastrophe in just 120 million years?

Imagine a gas giant orbiting Sirius B, a hot Jupiter. 120 million years ago give or take, the star reaches its final stage as a red giant then collapses into a white dwarf, ejecting countless billi...

6 answers  ·  posted 7y ago by Z.Schroeder‭  ·  last activity 6y ago by Z.Schroeder‭

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Q&A Disabling a spaceship while leaving it repairable?

I'm looking for a weapon a ship can carry that can disable a ship without any permanent damage to its subsystems or significant hull breaches. This will mostly be used by pirate factions (capturing...

18 answers  ·  posted 7y ago by Arvex‭  ·  last activity 6y ago by Arvex‭

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Q&A How flat is "Flat Space"?

The idea of "Flat Space", an area of space-time with minimal, preferably zero, gravitational curvature, is an important concept in many Sci-fi universes, often those with "jump-drive" based FTL tra...

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

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Q&A How can a Dyson Sphere be built with minimal orbital disruption?

Dyson spheres are a staple of science fiction. Solar system spanning megastructures, they represent a significant effort by whatever species chose to build them, and a significant mass moved into t...

1 answer  ·  posted 6y ago by Joe Bloggs‭  ·  last activity 6y ago by Joe Bloggs‭

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Q&A Optimal arrangement for habitable zones?

So, here's my issue. My setting's central conceit is that a myriad of human societies developed at relatively concurrent times across a large system separated by only a few light-hours. (There are,...

4 answers  ·  posted 6y ago by case‭  ·  last activity 6y ago by case‭

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Q&A Would 'cheap' FTL make powerful telescopes obsolete?

Imagine we have a faster-than-light drive which costs ~$250,000 USD per drive and can propel an ISS-sized craft at 1000 times the speed of light. It is reliable and has safeguards that stop it from...

14 answers  ·  posted 8y ago by Amziraro‭  ·  last activity 6y ago by Amziraro‭

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Q&A Will be possible in the far future to use megascale engineering to create a ringworld around Earth?

I mean in the far future megascale be advanced enough to allow the construction of a ring world around Earth or around a low mass star( a red dwarf for exemple). If yes, how big Earth would look f...

5 answers  ·  posted 6y ago by user18428‭  ·  last activity 6y ago by user18428‭

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Q&A The viability of a skintight space suit

This question would be best answered for the time period of our first colonized planet, which will most likely be Mars. With the thinner atmosphere, weaker gravity, low oxygen, and the bodily damag...

5 answers  ·  posted 6y ago by Micah Da Canon‭  ·  last activity 6y ago by Micah Da Canon‭

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Q&A Making a spaceplane out of the 747

Spaceplanes are cool. SSTOs (Single Stage To Orbit) are even cooler. Imagine a spaceplane that is pretty much a 747. Imagine if Boeing decided to have a crazy new idea and made a space variant of ...

6 answers  ·  posted 6y ago by Victorbrine Cassini‭  ·  last activity 6y ago by Victorbrine Cassini‭

Question space technology
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Q&A What size object could wreak havoc on a world but not "destroy" it?

So what size comet/meteor/rogue planet could wreak havoc on a populated world without killing off intelligent life entirely or actually ruining the planet for life? Assume the world being affected ...

4 answers  ·  posted 8y ago by Skelter‭  ·  last activity 6y ago by Skelter‭

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Q&A Fleeing the solar system

It's the height of humanity's space-colonization golden age when casual interplanetary travel has become possible and humans have either colonized or established large space stations around nearly ...

5 answers  ·  posted 7y ago by Z.Schroeder‭  ·  last activity 6y ago by Z.Schroeder‭

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Q&A Would a planet appear to wax and wane as observed from its moon?

Assuming that the observer is on the moon for a full lunar cycle, would the appearance of the planet wax and wane, would the moon's shadow occlude the planet during an eclipse while on the moon?

5 answers  ·  posted 6y ago by Cantabile‭  ·  last activity 6y ago by Cantabile‭

Question space planets moons
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Q&A A structually self-supporting hollow Earth?

Is it possible to have a structurally self-supporting hollow Earth where the weight of the shell is balanced against the atmospheric pressure inside? It must be human habitable (gravity is nice b...

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

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Q&A Interplanetary vs Interstellar travel

I want to be able to have interplanetary travel very cheap and fast, within minutes. Seeing as planets are light minutes away from each other, I suppose even for fast interplanetary travel the tech...

15 answers  ·  posted 8y ago by blackbirdresearch‭  ·  last activity 6y ago by blackbirdresearch‭

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Q&A Plausible way to make a planet spin faster

Imagine that you want to colonize Venus. But a day on Venus lasts 4 months, and that's terrible. The big brains at the Science Palace have decided to make Venus spin faster, so that the length of d...

7 answers  ·  posted 7y ago by SPavel‭  ·  last activity 6y ago by SPavel‭

Question space reality-check
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Q&A Would it be safe to assume that solid core nuclear rocket technology advances?

Solid Core Nuclear Thermal rocketry has existed for a while and I was thinking about using it as the primary propulsion in my setting. Now most Solid Core rockets still have fairly long transit tim...

2 answers  ·  posted 6y ago by The Imperial‭  ·  last activity 6y ago by The Imperial‭

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Q&A How would someone keep time on Mars?

I understand that a Sol is a Martian day, a little longer than a day on Earth (... 30 minutes I think?) and there are 24 months using the Darian calendar. So if people lived on Mars, what is a casu...

2 answers  ·  posted 6y ago by Charlie Kovas‭  ·  last activity 6y ago by Charlie Kovas‭

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Q&A Permitting Customizable UI for a Spaceship's Systems

User Interface Customization for Spaceship Controls; "In theory, practice and theory are the same. In practice, they're totally different." We often find that what we plan for isn't what actuall...

16 answers  ·  posted 6y ago by Green‭  ·  last activity 6y ago by Green‭

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Q&A How to "burn" through wood in a vacuum?

This question relates to an attack on a biological space vessel. My vessel is a space station made from wood, with an oxygen-rich atmosphere inside it. It is under attack and the attackers have de...

12 answers  ·  posted 7y ago by Aric‭  ·  last activity 6y ago by Aric‭

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Q&A how would a spaceship helm "user interface" (flying controls) be designed in detail

When flying a big spacecraft, one needs to keep several things in mind when designing the "user interface" used to control the spacecraft's flight path, or ultimately, the output of the thrusters/e...

8 answers  ·  posted 6y ago by J Alan‭  ·  last activity 6y ago by J Alan‭

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Q&A On an Ice Planet orbiting a Black Hole, could Jungles live in Geothermal Pockets?

The Rygyphae are a species that lives in the geothermal pockets, areas heated by volcanic activity. The rest of the planet is nothing but frozen ice and rock, but these pockets are lush jungles ful...

2 answers  ·  posted 6y ago by Sydney Sleeper‭  ·  last activity 6y ago by Sydney Sleeper‭

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Q&A How long would it take to transform a human into a space-ship and back?

This is not a very hard-science-fiction tale, but more about human relations and adaptability, but I still want it to sound plausible. A space faring civilisation that descend from humans uses bio...

8 answers  ·  posted 7y ago by ThreeLifes‭  ·  last activity 6y ago by ThreeLifes‭

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Q&A Could a huge pole that's moved back and forth be a method of FTL communication?

Here's the plan for the proposed system of FTL communication. A huge pole made of the strongest solid in existence (or whatever solid would work best for this scenario, if no solid exists that wo...

3 answers  ·  posted 6y ago by Sydney Sleeper‭  ·  last activity 6y ago by Sydney Sleeper‭

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Q&A Would the need for control limit a superintelligent rational agent's expansion in the universe?

My thoughts go like this: I postulate a superintelligent rational agent, that is given, or assumes, control over its mother civilization. I call this agent "the Ruler". I postulate that in order ...

5 answers  ·  posted 8y ago by Elias Hasle‭  ·  last activity 6y ago by Elias Hasle‭

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Q&A How to check for atmosphere behind a door on a damaged spacecraft

First, yes I was inspired by this question: "How do you check if a room behind a door aboard a spaceship has an atmosphere/pressure?" I wanted to take the scenario further, instead of asking how t...

9 answers  ·  posted 6y ago by anon‭  ·  last activity 6y ago by anon‭

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Q&A Permanent flag for space pirates

Space is filled with all kinds of things that are unkind to cloth, such as dust and radiation, and they are the reason why sticking a nylon national flag on the moon isn't permanent. In my world I...

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

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Q&A Energy generation for spaceships

Consider a near-future situation where humans have begun to explore the solar system, most groups are still working to start a profitable mining operation and only a few ships have gone beyond Jupi...

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

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Q&A What design considerations would there be for a space ship using low-tech bioregenerative advanced life support and propulsions systems?

The ships would be permanently extra planetary and manned by 4-5 crew. All life support water, food, oxygen and propulsion being produced by bacterial cultures (not necessarily the same). With all...

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

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Q&A What measures (and appropriate countermeasures) would be used for sensing and target acquisition in far-future space warfare?

I've never been satisfied with how this has been handled in any sci-fi story I've read, watched, etc. It always seems to get handwaved away with "we have sensor packages of various powers" and "the...

6 answers  ·  posted 9y ago by AmoebaMan‭  ·  last activity 6y ago by AmoebaMan‭

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Q&A Wormhole travel system: how would they connect the systems?

Here, star systems are connected with "wormholes". The wormholes facilitate travel at $250\ c$, regardless of mass. They are made using special ships. Any travel (including military vessels) not th...

2 answers  ·  posted 6y ago by user_194421‭  ·  last activity 6y ago by user_194421‭

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Q&A Noticing visitors to our galaxy

Prelude Prelude TLDR; A fleet of ships is passing through our galaxy, stopping off at particular stars and causing small dips in the light from stars. This is related to a couple of other questio...

7 answers  ·  posted 7y ago by FreeElk‭  ·  last activity 6y ago by FreeElk‭

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Q&A Could astronauts find their bearings in the Universe after being transported 6 gigalightyears from Earth?

In my world, humanity reaches their new home among the stars by way of a portal that pops into the solar system one day. This portal instantaneously transports those who enter to a place that is lo...

16 answers  ·  posted 6y ago by Junkey McKrat‭  ·  last activity 6y ago by Junkey McKrat‭

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Q&A How can as many probes as possible be sent to nearby stars?

In the near future, say about 50 years, the most powerful governments are starting to compete for control of interstellar resources. The first step is to send a probe or probes to a neighbouring st...

6 answers  ·  posted 6y ago by CJ Dennis‭  ·  last activity 6y ago by CJ Dennis‭

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Q&A An alien world with medieval level technology and some sort of mechanism or mode of space travel

The title says it all. How would one go about creating a planet with aliens that have medieval grade technology (windmills and carts and stuff.) No high level technology. However, I want the aliens...

5 answers  ·  posted 6y ago by Quavo Twinkletoes‭  ·  last activity 6y ago by Quavo Twinkletoes‭

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Q&A Realistic spaceships: How to design a transport spaceship?

OK, here's the problem: I want to have a spaceship that is built for transporting large machines (in particular, heavy mining equipment). It does not and is not designed to leave space; transport d...

6 answers  ·  posted 8y ago by celtschk‭  ·  last activity 6y ago by celtschk‭