Questions tagged [environment]

For questions about an environment or aspects of it such as geographical, atmospheric or climate.

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12
votes
2answers
261 views

How big can Europan fish get?

Assumptions: Jupiter's moon Europa has a salty subsurface ocean in contact with a rocky mantle. The ocean is populated by hydrothermal vents produced by tidal heating. Global heat flow is similar to ...
0
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3answers
98 views

A Horse of Many Different Colors…Out in the Open Plains

In mapping the ecology of an alternate Earth where the family Equidae still exists but the genus Equus does not, it is usually difficult to find a biologically suitable mythological horse as a ...
0
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3answers
299 views

What would happen if all stars disappeared?

I'm imagining a hypothetical scenario based on the Big Rip theory of the end of the universe (https://en.wikipedia.org/wiki/Big_Rip), where eventually the expansion of the universe causes everything ...
7
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6answers
338 views

What environmental factors would prevent electronics from developing?

Humans developed technology from sticks and stones to computers and rockets in thousands of years. However most of this is only possible given access to certain elements like iron, copper and the like....
3
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1answer
109 views

Minor terraforming that allows people, and doesn't inconvenience local flora and fauna

What I'm looking at doing is a small game where you land on a planet, and the atmosphere is not survivable by a human being, but there is local life. Over the course of the game, terraforming has to ...
3
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4answers
220 views

The Fate of Marsupials in a More Southerly Australia

For the longest time, Australia and Antarctica were one and the same. It wouldn't be until 30 million years ago that Australia broke up from Antarctica. Nowadays, the distance between Australia and ...
5
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3answers
355 views

Would decompression cause a moon habitat to explode?

Assume I have a human colony on The Moon. A meteor fragment gets by the defense system and smashes into a portion of the dome, let's say the hole is 1 meter in diameter, it's big. Safety measures ...
1
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1answer
63 views

How would X-Seed 4000(s) affect the weather?

So, the X-Seed 4000 (https://en.wikipedia.org/wiki/X-Seed_4000) is a rather large lad. The tallest building ever fully realized. Let's just say that, in five decades, they decide to actually build ...
5
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3answers
611 views

Feasibility of the coral highlands

In the game Monster Hunter World, there is a place called the coral highlands. The coral highlands is one of the most spectacular things to look at in the game, having a resemblance to a ocean without ...
2
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1answer
111 views

Feasibility of the rotten vale

I recently asked a question about’ “The feasibility of the coral highlands”, which come from a game called “Monster Hunter World”. In the game, there is another place, called, “The Rotten Vale”, which ...
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1answer
103 views

Can a plant be grown in a vacuum chamber [closed]

Thats my question please answer it
3
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1answer
76 views

Ideal sun type and corresponding effects for a terrestrial planet with 256 days in a year?

The planet has 256 days in a year, split up into eight months, each with 32 days. My planet is a bit smaller than Earth: Think, enough space for the continents of Earth’s western hemisphere and the ...
7
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5answers
252 views

How to get Wood if my story takes place in a desert? [closed]

Okay so my story takes place on a desert planet, and the plot revolves around nomadic people who get from place to place with the help of wooden wagons (think Oregon trail). Well, I need some way for ...
30
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6answers
7k views

Does living without access to sunlight for extended periods have known physical or psychological effects on humans?

Humans (even programmers :-) ) are used to having some access to natural light, but in a colony in space, on the dark side of a tidally-locked planet, or underground (for example) this won't happen. ...
5
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3answers
109 views

How do i worldbuild planetary regolith

The planet needs to be able to support life but initially ve devoid of it. Which I would think would make it's Soil like that of a desert. The regolith may be important for early agriculture. It can ...
2
votes
1answer
53 views

How can methane hydrates mining affect earth other than it’s climate?

My story take place in 200 years forward post apocalypstic war between two faction which the (villain) protagonist side have massive fuel economy disadvantages compare to their enemy who mastered bio ...
7
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2answers
147 views

How tall could a fictional cactus species realistically grow?

I had an idea for a new world that included cactus forests, with cactuses the size of a giant sequoia. Is this realistic?
2
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2answers
228 views

do these mountains look to be in realistic locations?

I'm getting into mapmaking, which I enjoy, but some of the specifics of realism still elude me. I know generally how plate tectonics work, but I was hoping to get some help on a specific example. I ...
4
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2answers
85 views

Effect of brighter suns on eyes on a creature on a world orbiting a red dwarf

I know that red dwarf stars are dimmer than ours. But I also know that red dwarf stars emit a lot of infrared light, so creatures on a world orbiting it would have eyes that see infrared light. If a ...
2
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4answers
574 views

Cheapest material per ton on earth?

What is the cheapest material per ton that one could purchase on our Earth in the 21st century? This could also include the cheapest material per ton to harvest so dirt may seem like the obvious ...
5
votes
5answers
142 views

Super insulated box/room to store extreme heat possible?

Is it possible in 21st century Earth for someone to create a small super insulated box to store heat like an "anti-freezer" such as putting lava inside the box and the box not being hot to the touch ...
1
vote
1answer
69 views

I'm building a fantasy world with three large moons and orbiting a distant sun. I need help with the following: [closed]

1 - What might the days and nights be like, in terms of comparative temperatures and length, with three moons gravity and a massive orbit?
1
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4answers
265 views

If North America and Latin America unified into one country, how would the highway system work?

Canada, the US, and Mexico all have pretty nice highways. However, that isn’t the case with most Latin America countries that don’t even have paved highways. Would the supercountry use all of its ...
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15answers
4k views

If I have an Earth-like world with Earth-like fauna, and I want brightly-colored mammals, what would be a realistic way of causing that to evolve?

On Earth, while birds and reptiles can be quite brightly colored, it's rare for mammals to have any bright colors, and the rare times they do, it's either just slightly different (like with orangutans)...
8
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2answers
218 views

The case of the sexist plant

Let's say we have a species of plant, that, for whatever reason, only wants to be pollenated by female pollinators. Maybe this gives some advantage to the plant and/or pollinator. Why would a plant ...
44
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18answers
9k views

Why would a berry have a slow-acting poison?

Plant poisons in our world (that I'm familiar with) have operational half-lives in the order of seconds to maybe a day to reach full effects. This is because poisons are a defense mechanism and work ...
1
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3answers
150 views

How to Stop All the Wind on Earth

We have a question that covers what would happen if the world didn't have any wind. What I want to know is how we would get there in the first place. Given that we aren't using any magic, what would ...
3
votes
3answers
115 views

What could cause my millennium-long ice ages?

Here on earth, it takes about 90,000 years for major ice sheets to build up, and another 10,000 for them to collapse, resulting in 100,000 year cycles of major glaciation, from what I understand. ...
5
votes
7answers
353 views

Citywide Abandonment of Law Enforcement at World's End?

Building out a place less than 100 years in the future where the world is finally in agreement that it's coming to an end, in about 10 years or less. The air is trash, high government people are in ...
-1
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3answers
288 views

How Long Can a Burnt Postapocalyptic Forest Be Barren?

Lately, I have been reading word that our latest epidemic of firestorms is so severe that "trees won't plant themselves naturally", according to the Arbor Day Foundation. Indeed, the picture of a ...
36
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7answers
7k views

What would be the effect of a giant magical fireball burning in the ocean?

Original prompt: "What would be the effect of a giant magic fireball burning in the ocean? Imagine there's a magical fireball that stays in one spot in the middle of the ocean and emits heat at a ...
2
votes
2answers
164 views

How would humans live in a world made primarily of glass?

Setup: Earth developed in an alternate universe with small oceans and little water. A little before animals first left the oceans and began to walk on land, when all of Earth's land was barren sand, ...
32
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4answers
4k views

Less boring classifications of earth-like terrain when making maps

When creating a map for a fantasy world, I typically add broad top-level descriptions for terrain. Mountains here, forests there, a river, a swamp etc. Watch any nature documentary, and each terrain ...
3
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4answers
137 views

Could a terrestrial planet become a gas giant?

I know that gas giants are much larger than terrestrial planets, but wouldn’t several million or billion years allow for it to gain mass from collecting space debris and the like?
0
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1answer
112 views

Would a medieval world use the word “trail” to describe a foot path?

I'm in the process of naming some routes and roads in my medieval fantasy themed world, and I want to specify routes that could only be managed on foot. I'm tempted to say trails, but since every body ...
3
votes
1answer
79 views

What kind of planet environment could best host aliens like *Battle: Los Angeles*?

If I want a home for aliens like those which invaded in Battle:Los Angeles, what would be the best fitting features? The aliens: Burn water for fuel (assume they are using deuterium for fusion) ...
4
votes
2answers
182 views

How can I have an Earth-like moon?

My story takes place on the moon of a large gas giant planet. I have been trying to decide on a way for the moon to be as Earth-like as possible, but I have now decided to ask the community for help, ...
18
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5answers
4k views

Is it possible for complex life to evolve on planets without oxygen?

*By complex life, I mean something more complex than microorganisms. Something closer to what we have on Earth. Similar to this question: Is it possible for life to evolve on planets without water? ...
3
votes
3answers
163 views

What's a plausible reason for a bacteria/disease to only exist near the surface of a planet?

Context: Humans have escaped a a super-bacteria, similar in situation to the Bubonic Plague, that they could not create a cure for. They've done this by engineering gargantuan trees and adapting to ...
3
votes
3answers
58 views

Fauna (and flora) in temperate polar region

Due to the world being based more on magic than actual science, I have a "planet" with changing season everywhere. A "sun" orbits it roughly near the equator, but it only gives light, it doesn't ...
6
votes
5answers
265 views

What would the flora and fauna be like on a planet with the most competition? The most violent planet

My setting has a lush rainforest planet, which houses some of the most feared animals in the galaxy. The abundance of food would make competition tougher and tougher over millions of years of ...
11
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1answer
4k views

What effect would a red sky and/or sun have on plants and animals?

If an Earth-like planet had an older, red sun — or maybe just a reddish sky due to some property of the atmosphere — how would that affect the growth and/or adaptation of plant and animal life on the ...
8
votes
3answers
273 views

Plausibility of Massive Maelstroms

Maelstroms are ginormous whirlpools. They can exist continuously in an area. They're cool. The question is, how large can they get? As large as an island? Could a maelstrom have a diameter of ...
7
votes
3answers
618 views

Could “normal” human development lead to a sufficient air pollution to make gas masks mandatory?

I'm starting a story taking place around 2080 AD/CE, and I'm wondering if the key element - global pollution - is plausible. In my storyline, the XXIst century brings no huge technological advances (...
35
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19answers
10k views

Are dead worlds a good galactic barrier?

In my fictional universe there are two galactic civilizations that have never interacted until recently and thus have developed different cultures, science, etc. From a technological standpoint, one ...
25
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4answers
2k views

How to Survive Mountain Environments With a Tribal Culture?

Assume we have an Earth-like environment. If a tribe with only early medieval technology were to settle in a mountain environment: What resources would be needed to deal with the elevation, cold, ...
-1
votes
1answer
154 views

If Vikings Settled on a Tropical Island, How Would That Affect Up The Native Ecosystem? [closed]

An ice age has hit the already cold planet of Ryu 108. Its inhabitants, with the culture and technology of Scandinavia at the height of the viking age, are forced to feed themselves with a drastically ...
3
votes
3answers
682 views

Long term living without sunlight

May be the wrong site, but researching for a writing project... What effect would there be on a group of humans living in a lightless and cramped environment (assume underground) for nearly 800 years, ...
6
votes
2answers
172 views

Thunderstorms but with Fire!

The planet is huge roughly four times the size of earth, with lots of hydrogen in its atmosphere (group A water in Hydrogen out, B water out.) it is also very humid. what do I do to have giant Storms ...
34
votes
18answers
5k views

Lighthouse Alternatives

In my pre-electricity world, fast communication is achieved by means of lighthouses, each being able to direct strong and precise beams of light towards distantly visible lighthouses. However a ...

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