Questions tagged [environment]

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

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2
votes
2answers
109 views

World with low amount of oxygen like Everest dead zone: can life be complex?

Imagine an Earth-like world with oceans, some complex vegetative and animal life, but with an extreme low amount of oxygen in the atmosphere, let's say one third of what we are accustomed to, like the ...
4
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3answers
200 views

Are planets like the “To'ul'hian Worlds” from Orion's Arm plausible?

The Orion's Arm Universe Project includes a description of what they call "To'ul'hian Worlds", planets that are (in the simplest of terms) a cross between Earth and Venus. I'm working on designing a ...
3
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1answer
66 views

How extreme can a habitable tidaly locked world be?

I want to create a tidally locked world with a habitable (broadly Earth like atmosphere and biome that humans could breathe and live in) band stretching around the terminator pole to pole. There would ...
2
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1answer
70 views

Can I use an active flood basalt province as a “biome” without messing my world up?

I want to use the an active large ignious province (LIP) as a "biome" on a continent in my world. This video about the Siberian Traps inspired me. A LIP modeled after the Siberian Traps gives you a ...
0
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1answer
57 views

Looking for an existing facility that contains enclosed areas with extreme temperatures

I would like to create a scenario where an unarmed individual leads its victims into a room that can be fully enclosed and then heated up to unsafe temperatures such that the victim would likely ...
13
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3answers
589 views

Pharbohydrates vs Carbohydrates

Question: Are there are any serious biological or evolutionary plausibility issues with separating the energy storage/production function from the production of structural/regulatory biomass? ...
12
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2answers
219 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
90 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
252 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
315 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
91 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
203 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
349 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
52 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
584 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
89 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 ...
-8
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1answer
84 views

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

Thats my question please answer it
2
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1answer
65 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
239 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
98 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
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1answer
50 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
139 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
208 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 ...
3
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2answers
74 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
330 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
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5answers
137 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
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1answer
57 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
246 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 ...
12
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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
208 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 ...
45
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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
115 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
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3answers
109 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
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7answers
350 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
282 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 ...
8
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1answer
150 views

The Great Oxidation Event…Artificially Imposed on a Tharn-Like Alternate Earth

From 2.4 to either 2.1 or two billion years ago, Earth underwent a surge in a waste product that we know as "oxygen". Before that, life thrived in an ocean rich with iron under an atmosphere loaded ...
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
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2answers
154 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
116 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
100 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
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1answer
73 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
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2answers
159 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
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3answers
156 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
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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
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5answers
249 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
3k 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 ...
9
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8answers
2k views

What would it take to slow down fermentation? (Specific: Wine / grape juice)

I am working on a story about a person who was raised on an earth-like planet and later moves to our earth. The planet he is from specializes in fruit juice and alcohol making, in specific, wine. When ...