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13.1k posts
 
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Q&A Planet wide seasons: Possible?

I was reading a World Anvil article which has a world that experiences world wide seasonal changes. Specifically quoting the article, During the month of Frimense, the Frostkin thrive, as the...

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

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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 Nostrils? why not feathery tentacles?

Simple question I think, I have some Idea of the answer but would like the ol' second opinion. Vertebrates use olfactory glands in their nostrils (or thereabouts) to sense smell, as well as the roo...

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

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Q&A What material would ant-sized humans use to make armour?

In the world I'm creating, a branch of humans from prehistoric earth were castaway to another dimension by reality bending beings. The dimension exists as a large cavern filled with giant Earth art...

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

Question insects
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Q&A How plausible is a "Lightning Amentum"

I have a race of mountain giants (who stand roughly 10-15 feet tall) and have long worship the storms and more importantly the lightning that is cast from them. Long have they sought after a way to...

2 answers  ·  posted 6y ago by Celestial Dragon Emperor‭  ·  last activity 6y ago by Celestial Dragon Emperor‭

Question reality-check
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Q&A Would a planet with these seasons be possible?

Just as a disclaimer, I have very little knowledge on the science on all of this and have a very poor grasp on what is plausible and what isn't, but I suppose that's why I am here. I have a concept...

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

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Q&A How might an advanced civilization separate astronomical amounts of Magnesium Ions from astronomical amounts Oxygen Ions?

An advanced civilization collects enough Magnesium and Oxygen, from all over the Galaxy, to equal the mass of a star, and then reacts the Magnesium and Oxygen to produce Magnesium Oxide. The civil...

1 answer  ·  posted 6y ago by Anders Gustafson‭  ·  last activity 6y ago by Anders Gustafson‭

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Q&A Feasibility of Giant Fungi

I have a temperate rainforest environment within the arctic circle of my planet. What is the feasibility of fungi storing nutrients from dead matter during the daylight hours, then erupting to crea...

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

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Q&A Would an earlier HIV pandemic be a realistic, plausible historical apocalypse scenario?

The most recent common ancestor of the HIV-1 M group, responsible for the HIV pandemic, dates back to the Belgian Congo city of Léopoldville (modern Kinshasa), circa 1910. And the genetic history ...

2 answers  ·  posted 6y ago by Aquar1animal‭  ·  last activity 6y ago by Aquar1animal‭

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Q&A 5x5 Biome Scale possibility?

My world has a conlang that heavily emphasizes words in 'grades' of 5. For example the words for issues are grouped as: Danger-Threat-Risk-Hazard-Situation. Usually it isn't hard to find a set of ...

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

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Q&A Anatomically Correct Stitch

We all remember the iconic alien genetic experiment from "Lilo and Stitch", correct? Well, I was wondering what kind of biological traits Jumba might have used to give him his various abilities, li...

1 answer  ·  posted 6y ago by The Literary Lord‭  ·  last activity 6y ago by The Literary Lord‭

Question biology
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Q&A Is this DNA absorbing creature possible?

I imagined a creature that would have an expanded lifespan thanks to a regular production of stem cells that would replace the damaged cells. During its very long lifetime, when it eats food (the ...

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

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Q&A What natural factors could possibly push a species of eusocial insects to become intelligent?

So, I am working on a species called the Vosians, who hail from the planet Vos. They are a species of eusocial insectoids, much like Earth ants. Biology The Vosians are about 3 feet tall, or 0.9 ...

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

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Q&A Effect of paint on the flight ability of birds?

In my world my protagonist is stuck in a city that is being lain siege to. The city needs to get a message to a fleet. Messages are delivered by sharp-skinned hawks (actual bird), but the problem...

3 answers  ·  posted 6y ago by Nicholas Hattingh‭  ·  last activity 6y ago by Nicholas Hattingh‭

Question biology
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Q&A Is there anyway life could survive a nuclear apocalypse realistically?

The only such media I've seen is Fallout, which is obviously highly fantastical. I mean, they mutant animals and irradiated zombies running around! But realistically, is there anyway that life cou...

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

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Q&A Can a planet of heavy and regular rains or monsoons have little to no surface water?

There is a background planet in this story that is important due to character back story however we never visit it in this book. It is describe as a mostly jungle planet, with regular heavy rains ...

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

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Q&A Siamese Twin Planets?

Premise I want to explore the possibility of a planet that is extremely misshapen. If we were to extrapolate what we have observed from our solar system and the extra-solar planets discovered so f...

3 answers  ·  posted 6y ago by Arash Howaida‭  ·  last activity 5y ago by Arash Howaida‭

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Q&A Ensuring Hadley Cells and Climate models on planet size

Having looked for a few days I am pretty sure I do not have an answer on this question: My intended planet will have the same density but double the mass of earth. I know this will increase the su...

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

Question climate weather
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Q&A Is Space Algae Plausible?

Is it possible for massive clumps of algae to evolve and survive in deep space? Let's say there is an expanding red star in a system with asteroids and planets once containing organic molecules, ...

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

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Q&A A brighter moon that's harder to see

In honour of the full moon an odd moon question for you all. The idea is to create a situation in which the inhabitants of a world believe utterly that the moon only exists at night. I'd also like...

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

Question planets moons
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Q&A Alternative skeleton material for an Earth-like planet

On earth, the skeletons of Osteicthyes and all their descendants are made of a mixture of collagen and calcium. We can do this because Earth contains food sources for all these animals containing v...

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

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Q&A Polar Day/Night

This is my first question so any feedback is appreciated! I basically have an Earth analog that has an axial tilt of approximately 12 degrees instead of Earth's 23, and I wanted to find out how I c...

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

Question planets axial-tilt
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Q&A How would height be affected in an exoskeleton-based humanoid?

I've been curious about writing about a very durable exoskeleton humanoid species, but I have wondered about how the extra weight of a thick exoskeleton would affect their height. I do not see th...

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

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Q&A What are the consequences of wishing for 'all' the gold?

A lot of fantasy stories involve someone using magic or technology to solve a problem, only to find out the spell or thing they used to solve their problem was a little too potent. Let's say a wi...

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

Question
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Q&A Creating a scientifically semi-valid super-soldier, part 8: Communication

Previous parts here: Creating a scientifically semi-valid super-soldier, part 1: Skeleton Creating a scientifically semi-valid super-soldier, part 2: nervous system Creating a scientifically semi...

4 answers  ·  posted 6y ago by Demigan‭  ·  last activity 5y ago by Demigan‭