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Q&A How likely is the flotsam of a space battle to be captured by our sun's gravity well?

A light-year distant from Sol saw the collision of a massive space-born battle fleet against an awe-inspiring dreadnought. At one point in the battle, the flotilla fired rail-guns with 100 metric ...

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

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Q&A How to have people and big bugs at the same time

There's been a few questions about making big bugs before and the consensus in they can't get much bigger than 3ft or so (which in reality is still huge). Catch is, you need quite a bit of extra ox...

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

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Q&A Emergency Spacesuits

I know a similar question was asked whether gas masks could be used to survive in space but it didn't quite focus on the parts I'm interested in. I'm building a world in which space travel is regu...

4 answers  ·  posted 6y ago by Jason Shawcross‭  ·  last activity 5y ago by Jason Shawcross‭

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Q&A What is the best design for docking onto a rotating space-station?

In the distant future, space-stations use centrifugal force to emulate gravity, effectively being a cylinder (or something similar like a wheel) spinning around a central axis at high speeds. A sp...

12 answers  ·  posted 6y ago by A Lambent Eye‭  ·  last activity 6y ago by A Lambent Eye‭

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Q&A Plastic and oil eating microbes apocalypse part 1 - How fast can they spread?

Plastic is a huge problem in our lives. One of the ideas is to engineer plastic eating bacteria or fungi. Experiments already begun, and accidents already happen: a team of international scient...

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

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Q&A Artificial gravity of spinning sphere

I have a colonized asteroid that is roughly spherical and has been hollowed out. To create artificial gravity I spin the asteroid creating a strip of 1g gravity around the "equator". What would hap...

3 answers  ·  posted 6y ago by Evelyn Shepard‭  ·  last activity 6y ago by Evelyn Shepard‭

Question space physics
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Q&A Worms that create wormholes - can we find and track them underground?

In a future Earth it has been discovered that earthworms can actually create wormholes. There is a lot more to this and I will be asking other questions, however at this point I just want to know...

1 answer  ·  posted 6y ago by chasly from UK‭  ·  last activity 6y ago by chasly from UK‭

Question biology radiation
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Q&A Could a creature have a separate pouch to hold food until it is needed?

I am developing a species that gives birth to live young after a very brief pregnancy. The infants are somewhat underdeveloped due to this fact. The harsh environment of the mountains means that th...

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

Question species anatomy
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Q&A What type of feet should semiarboreal humanoids have?

My semiarboreal humanoids have a build quite similar to humans, apart from some more specialized arboreal adaptations. They live in rainforests quite similar to the Amazon Rainforest. Though trees ...

6 answers  ·  posted 6y ago by Cas‭  ·  last activity 6y ago by Cas‭

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Q&A The new Antarctic Base

I have recently been interested in Antarctic bases. They seem really interesting to me. I don't know all that much about them. One that came to my mind is SANAE IV. Some bases can support more th...

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

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Q&A Dragon shapeshifting and memory mechanism

Dragons are biologically immortal creatures that have evolved the most versatile sexual reproduction in existence, they can morph through a cocoon into any other species from the animal kingdom tha...

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

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Q&A What would be the necessary conditions to rain bubbles?

What would be necessary in order for bubbles to rain down from the sky, whether they are actually soap or something else? Would it even be possible? Aside from a bunch of little kids (which would ...

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

Question weather chemistry
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Q&A Could a gas giant have two earth sized moons in binary orbit around it

I'm trying to create a system where a gas giant has two moons in binary orbit with each other. I'm trying to get that James Cameron look with the gas giant on the horizon, but also have a equally s...

3 answers  ·  posted 6y ago by Verick Valdera‭  ·  last activity 6y ago by Verick Valdera‭

Question space planets physics
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Q&A Can I make the carbon cycle shorter - by metamorphosis from plant to animal and vice-versa

EDITED to address the above suggestion. See below. Most animals breathe in oxygen and breathe out carbon-dioxide. Most plants take in carbon-dioxide and release oxygen. Waste products from ani...

4 answers  ·  posted 6y ago by chasly from UK‭  ·  last activity 6y ago by chasly from UK‭

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Q&A How would a nanorobot disease be identified by a scientist

it's pretty straight forward, how could a scientist such as a doctor, identify that nano-robots are the cause of some disease without knowing what it is looking for ? It would somehow need to be b...

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

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Q&A Spaceship Engineering & Infrastructure Challenges: Air Currents

I have a spherical spaceship that is about 2 kilometers in diameter with an outer clear, yet strong shell. This spaceship is largely made up of empty space occupied by air. Aside from this the spac...

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

Question physics technology
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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 6y ago by user6760‭  ·  last activity 5y ago by user6760‭

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Q&A Anatomically Correct Nekos

I am new at this site, but I've been creating a fantasy story for a while. Now, I'm stuck. I would really like cat people (neko) in my story, but there is a problem! you can't just stick cat ears o...

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

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Q&A Can one individual be used to repopulate an entire species?

An evil scientist has engineered a plague that would kill anyone with an xy chromosome pair. This plague has systemicatically spread throughout the planet, killing all males within the population. ...

6 answers  ·  posted 6y ago by Incognito‭  ·  last activity 6y ago by Incognito‭

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Q&A How to make a bigger planet be as similar to Earth as possible

My fantasy world is slightly larger than earth so that discovery of the continents becomes harder (about 20% surface should do it). But at the same time I want to preserve most aspects to make it l...

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

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Q&A Pros and cons of hermaphroditic vs sexual species?

Between a species that is hermaphroditic and a species that has males and females, then what would be the pros and cons of either one from a biological standpoint? Anything not regarding the biolo...

6 answers  ·  posted 6y ago by Dead Knight‭  ·  last activity 6y ago by Dead Knight‭

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Q&A What would be the mathematical formula to figure out a person's weight on a world bigger or smaller than Earth?

Okay, trying to figure out this math guys! This may be simple math to some of you, but not me!!! I googled various ways of asking this question and got some good results, but I'm looking for a sim...

2 answers  ·  posted 6y ago by J.J. Hartly‭  ·  last activity 5y ago by J.J. Hartly‭

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Q&A apply forces such that satellite reaches a given point in space

The problem is the following: let's say we have a miniaturized satellite*, X; we know its position, velocity, acceleration, the forces applied at any given moment; we also know its mass, its d...

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

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Q&A Could the moon crash into the earth if we colonised it and increased its mass?

Suppose we begin to colonize the moon. Assuming the building materials and biological material are all imported (not taken on-site), would it be possible for the moon to become massive enough to fa...

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

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Q&A A supermassive black hole is coming our way. When's the latest that we would notice?

I'm trying to build a story around a supermassive black hole, which is ejected from a merger of two galaxies, that is hurtling our own way. What is the smallest realistic distance at which the blac...

3 answers  ·  posted 6y ago by bantu‭  ·  last activity 5y ago by bantu‭