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Q&A

Posts tagged environment

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Q&A Avoiding preventing your own birth in a time travel paradox?

Assume a world with no multiverse theory, just a single unbroken timeline. If you were to go back in time to the town your parents lived in on day of your conception, the air displacement due to yo...

17 answers  ·  posted 7y ago by Space Ostrich‭  ·  last activity 6y ago by Space Ostrich‭

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Q&A Dense atmosphere and survival?

How difficult would it be for a human to survive on a planet with an atmosphere 2-5 times as thick as Earth's but with gravity like Venus? Would such an atmosphere be survivable? If yes, then how ...

3 answers  ·  posted 6y ago by Not the letter A‭  ·  last activity 6y ago by Not the letter A‭

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Q&A Is a food chain without plants plausible?

Suppose there was a world on which evolution and natural selection took an odd turn and never produced an organism that could be considered a plant by our modern definition, but which still produce...

13 answers  ·  posted 7y ago by Frostfyre‭  ·  last activity 6y ago by Frostfyre‭

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Q&A What sort of habitats could exist Pre-Zanclean Flood which formed the Mediterranean Sea?

There is a lot of information on drying up a Mediterranean sized depression. However, there is not a lot of information on drowning such a large area or what sort of habitats could exist before the...

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

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Q&A How would societal development be impacted if humans were not an apex predator?

We are used to a world where humans are basically an apex predator; we don't really need to worry much about becoming some other animal's next meal. If that wasn't the case, and humans had to be w...

10 answers  ·  posted 9y ago by Canina‭  ·  last activity 6y ago by Canina‭

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Q&A Effects of a supermassive ship colliding with a planet

The basis of my story revolves around a single survivor escaping a massive colony ship gone critical above the skies of an alien world. After his escape via escape pod, the ship crashes halfway acr...

3 answers  ·  posted 6y ago by Don'tQuestionTheMuse‭  ·  last activity 6y ago by Don'tQuestionTheMuse‭

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Q&A Underground cities in a Glacial Climate Transition?

My story is based on a Glacial Climate setting or an Ice Age. However the transition is gradual and humanity was given some time to adapt. The transition began in our real-world technological equiv...

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

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Q&A Creating a Cold Super-Venus for a story

My story revolves around a group of human astronauts exploring various planets via a new revolutionary type of drive. One of the planets I'm envisioning is a Cold Super-Venus, i.e. larger in size, ...

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

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Q&A Environmental/meteorological effects of a superstructure

If there was a supermassive structure built on earth (30km tall, 10km wide/deep tower with slightly slanted faces), what sort of effects would this cause on the surrounding areas? Specifically, wha...

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

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Q&A What cosmological/biological event could cause most if not all humans to go nocturnal?

I'd like to keep this as science based as possible. I'm not even sure if this sort of question fits this exchange. Is there a possible world wide affect that when triggered (by human/cosmological i...

3 answers  ·  posted 6y ago by User3.14159265‭  ·  last activity 6y ago by User3.14159265‭

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Q&A Planetary nitrification: could it work?

Imagine an alien species arrived on Earth, to find that the nitrogen in the air was toxic to them. Imagine they wanted to terraform our planet, and decided to fix this problem by nitrifying a lot o...

2 answers  ·  posted 9y ago by ewokbarbarian‭  ·  last activity 6y ago by ewokbarbarian‭

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Q&A What changes would be needed for humans to live in an ocean?

Taking genetic manipulation of humans to change them to live in other environments, besides maybe gills what other physical changes would need to be done for a human to spend 95+% time living in th...

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

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Q&A Effects of Rings - Debris?

I've been thinking about writing a fantasy novel set on an earth-like world with Saturn-like rings. I've been doing some research here by looking up questions about worlds with rings, of which ther...

1 answer  ·  posted 6y ago by Thomas Myron‭  ·  last activity 6y ago by Thomas Myron‭

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Q&A Could ancient seeds buried deep in subsoil sprout given the right conditions?

A friend of mine was telling me about a story where a man clear cut a diverse ecosystem of plants in an area similar to size and shape of a small caldera (not necessarily a caldera itself). Eventu...

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

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Q&A Sky Train Blimp Plane?

Can using blimps to hold power lines and implement laser filamentation of ablout 7 meter span from the source of power for a contact free power supply to power an electric engine (designed to run o...

3 answers  ·  posted 6y ago by Muze the good Troll.‭  ·  last activity 6y ago by Muze the good Troll.‭

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Q&A What fruits and vegetable could people grow 6 000 years BC?

Considering a civilization that was here far before everything we know of, lets say around time of Gilgamesh. Warm climate, almost no winters, near the ocean with enough rivers, and people being ab...

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

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Q&A What would be some differences in the environment if the sun were always at the same point in the sky?

My fantasy world consists of a flat plane, with the sun affixed to a point directly over the main continent. This sun powers down to create night conditions, and then powers up again in the morning...

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

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Q&A How realistic is the geography of my map?

I was told to post this question separately, so here it is. I need help with the geography and climate of my map. Blue circles are ports Gray circles are cities That one brown circle is a town ...

4 answers  ·  posted 6y ago by LordofFantasy15‭  ·  last activity 6y ago by LordofFantasy15‭

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Q&A Animal life on a planet orbiting a red dwarf

I am envisioning a world around a red dwarf star. The planet has violent and accelerated (due to higher geological activity) plate tectonics and has a magnetic field about 75% the strength of the E...

2 answers  ·  posted 9y ago by JDSweetBeat‭  ·  last activity 6y ago by JDSweetBeat‭

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Q&A The effects of gravitational pull in a solar system with a pendulum Sun

Imagine a world whose sun is swinging like a pendulum above a flat surface. This is a sketch of the diagram. A complete cycle lasts twenty-four (24) hours (from an end to the other and back aga...

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

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Q&A Can gas giants be turned into solids?

Assume you have access to some very large amount of energy but there are no exceptions to currently known laws of physics (for example, you can't go faster than the speed of light). Is it possibl...

6 answers  ·  posted 7y ago by Shital Shah‭  ·  last activity 6y ago by Shital Shah‭

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Q&A Infinite tube world

I'm inspired by this question and was thinking that it is nigh impossible for sun, moon and star to exist in this world and even if they do, there is no way to sun and moon to orbit and create day-...

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

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Q&A What Color Can the Sky Be?

A good friend of mine, who's a doctor, is very well traveled, and he told me he's seen skies of different worlds take all the colors of the rainbow (and the grayscale to boot). I suspect that he mi...

3 answers  ·  posted 9y ago by Serban Tanasa‭  ·  last activity 6y ago by Serban Tanasa‭

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Q&A How long could a city last if it were completely underwater?

Let's say there is a city, about the size of New York City, that is made only out of stone, steel, and glass. This city would be completely underwater. Assuming no humans are alive in this city, ho...

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

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Q&A Creating a dark world - What kind of flora can I get away with

Primary question If this world averages a visible light level of civil twilight (about 1000x dimmer than full daylight, or 500x brighter than full moonlight) during the day, what kind of plants ca...

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

Question environment flora
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Q&A How would weather change if the distribution of land were very uneven?

I have a map for my new word but I am not sure how the climate and weather would realistically work on this map. Axis tilt and position to Sun is the same as Earth, with two moons.

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

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Q&A Could a permanent storm system circle a planet's equatorial zone?

I'm thinking of using this as a method of separating a planet's technological and cultural evolution, then having a sudden clash as the more advanced one becoming able to cross the storm belt. This...

5 answers  ·  posted 6y ago by David Niehaus‭  ·  last activity 6y ago by David Niehaus‭

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Q&A What would the flora on a Methane world be like?

Linked: What would animal life on a methane world look like and how would it evolve? What would the conditions on a methane world be like? How would an intelligent race on a methane world achiev...

3 answers  ·  posted 9y ago by JDSweetBeat‭  ·  last activity 6y ago by JDSweetBeat‭

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Q&A Mr. Fusion reality has a global warming problem

The movie Back to Future revealed that Mr. Fusion (MF) produced by Fusion Industries (FI) was in widespread use in 2015. What the movie did not reveal was the FI was privately funded by Bill Gates....

8 answers  ·  posted 8y ago by Gary Walker‭  ·  last activity 6y ago by Gary Walker‭

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Q&A Is there a real life substance like movie acid?

Is there a real life chemical or compound that exhibits the characteristics of stereotypical movie acid? From what I know of most acid, it is usually clear or just a little cloudy, but I'm looking...

10 answers  ·  posted 7y ago by highpriestofpie‭  ·  last activity 6y ago by highpriestofpie‭

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Q&A How would an ecosystem based around chemotrophs produce oxygen?

Outline A planet which is heated tidally by its Brown Dwarf parent and permanently dark needs to have native alien life which has [somewhat similar biochemistry to Earth] and also be [permanently ...

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

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Q&A Is this a fairly decent description for a post-apocalyptic fiction story?

Okay so the story takes place up in the northern hemisphere around glaciers and polar bears and all that good stuff, its main character is named Xavior and he is a good human adapted to the radioac...

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

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Q&A Releasing a T-Rex into a modern ecosystem wouldn't be that bad, right?

T-Rex Forever LLC has a mating pair of Tyrannosaurus rex. They're a bit shady on how they got them, time travel, cloning...they won't say. Third-party biologists and paleontologists have examined...

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

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Rigorous Science The Tree of Youth

There exists a single solitary tree at the mouth of a small river. This tree is basically a fountain of youth, granting immortality to anyone who eats it's grapefruit-sized fruits. As you can ima...

3 answers  ·  posted 6y ago by Acumen Simulator‭  ·  last activity 6y ago by Acumen Simulator‭

Question environment
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Q&A What complications would arise from a world with an internal atmosphere and environment?

For a long, long, long time I have had a concept of a world that exists on the inside of a hallowed-out sphere. The basic construction of the world is like this: It is a large world, at the cent...

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

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Q&A Where can I easily/cheaply get a hundred square miles of land for a new country?

I'm looking to found a new country on a real-to-life Earth, and I need somewhere to put it. The country is going to be anywhere from 100 to 1000 square miles (250 to 2500 square km) in size. Assume...

10 answers  ·  posted 6y ago by TheEnvironmentalist‭  ·  last activity 6y ago by TheEnvironmentalist‭

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Q&A Can we scientifically remove all air pollution from earth?

As the title states, is it even possible to remove hazardous air chemicals in Earth? I think I could list the pollutants which I think we could remove, these are the following : Nitrogen oxide...

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

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Q&A Can a 25 mile high volcano form naturally on a desiccated desert earth planet?

The enormous shield volcano that this question was based on was held up by magic or God. It presented some very interesting conditions for alternate worlds so I thought I would develop that train o...

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

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Q&A Saving the planet by reducing the population

A train of thought is that a lot of our problems could be solved by reducing our numbers. For this question I am limiting it to environmental changes. For example: a successful species will increas...

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

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Q&A What methods might an ancient civilization take to extract fresh water from great depth?

I previously asked What measures might an ancient civilization take to protect itself from extreme heat? The answers gave some useful suggestions as to how cities could be adapted. For convenience...

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

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Q&A Fusion thrusters on a planet. Problems with temperature and radiation!

I'm really in doubt if a fusion thruster could be used inside a planet (populated places). As i saw in the TV show "The Expanse", their fusion engines are really, really hot, hotter than the surfac...

2 answers  ·  posted 6y ago by Felipe Andrade‭  ·  last activity 6y ago by Felipe Andrade‭

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Q&A How can I tell I've travelled 20 million years into the future?

Story starts out about 100 years from now. While in orbit around Earth preparing for an interstellar mission, our spacecraft encounters some hand-wavey spacetime anomaly such that we're still in o...

7 answers  ·  posted 6y ago by John Bode‭  ·  last activity 6y ago by John Bode‭

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Q&A Life on a planet with no land near poles

I have an Earth-sized planet in a Milky Way-like galaxy with all the land located at the equator, in a 2000-km line around the planet. There are small islands near the landmass, but no land anywher...

5 answers  ·  posted 9y ago by Skandranon‭  ·  last activity 6y ago by Skandranon‭

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Q&A Building Noah's Ark

The current topic challenge is apocalypse, so I figured I might as well come up with a question about surviving one. A man named Noah somehow learns that there will be a large flood within one yea...

3 answers  ·  posted 9y ago by HDE 226868‭  ·  last activity 6y ago by HDE 226868‭

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Q&A Biological transfer on a non-contact Rocheworld

I've been pondering for some time an alternate-history story where the Earth as we know it is replaced by a Rocheworld, of the canonical variety introduced in the eponymous Robert Forward novel whe...

2 answers  ·  posted 6y ago by Logan R. Kearsley‭  ·  last activity 6y ago by Logan R. Kearsley‭

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Q&A What would produce the most uneven but earthlike planetary surface?

What planetary parameters such as plate tectonics and volcanism etc would best encourage the most uneven planetary surface on an earth like planet? I want a world to be covered in very uneven terr...

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

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Q&A So we glassed it, now what?

"Glassing" a planet is a common ultimate tactic in Science Fiction, basically it consists in using high power energy weapons to destroy all life on the planet and reducing the soil and rock of the ...

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

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Q&A Boiling Underwater Layer on an Ocean Planet

I'm coming up with ideas for locations in my sci-fi story and I thought of an interesting one. Here's the scenario: A planet has a watery ocean sitting on heated bedrock. Temperatures range from 5...

3 answers  ·  posted 6y ago by Max Leeming‭  ·  last activity 6y ago by Max Leeming‭

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Q&A What would cause the temporary migration of a carnivore avian species, normally inhabiting a temperate to tropical region, to a much colder one

What would cause the temporary migration of a carnivore/scavenger avian species, normally inhabiting a temperate to tropical region, to a much colder one. It's a seasonal migration, but also a r...

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

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Q&A What if an Earth-like planet had no axial tilt? (impact on ecosystem)

The Premise The Earth rotates on its own axis, which is tilted by about 23 degrees. The setting for my fantasy novel is an earth like planet without the axial tilt, all other factors remaining co...

5 answers  ·  posted 9y ago by Ambarish Sathianathan‭  ·  last activity 6y ago by Ambarish Sathianathan‭