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Questions tagged [alternate-worlds]

For questions about worlds other than Earth that are significantly different. This could be a water, ice, barren or other planet. For questions about planets similar to Earth with specific differences use the *earth-like* tag.

3 votes
1 answer
96 views

How would a planet with both global and hemispherical seasons work?

Long ago, I asked a question on how to make Earth's oceans brackish based on Chris Wayans's super-Earth, Lyr. Now we're going back to it because it has another interesting detail which results in ...
JohnWDailey's user avatar
  • 14.6k
5 votes
2 answers
1k views

How could the earth's magnetic field become weaker?

I am creating a world where the poles of the planet face extreme radiation while other places not so much. If I understand correctly the earth could have a weaker magnetic field if the core became ...
daedric_slipper's user avatar
-1 votes
1 answer
137 views

How can I make a boat world where everyone lives on boats [closed]

Some people live on land, but a greater part decided to not be confined by dirt. Living off boats, fishing and traveling around the world... families on boats living all their lives on the sea, ...
Reincarnated as a worldbuilder's user avatar
13 votes
15 answers
5k views

How to make animal husbandry the only agriculture possible

This world is inhabited by carnivorous humans, how they came to be remains a mystery. The geography is typical of a post-glacial world (fjords, lots of lakes, valley steppes, all that good stuff) and ...
Rhomaioi's user avatar
  • 1,349
0 votes
1 answer
172 views

Steampunk-inspired constructed world tips? [closed]

Nothing too complicated but what are some tips and tricks to consider when creating a steampunk-inspired conworld and the like?
OyoJan's user avatar
  • 19
3 votes
2 answers
309 views

Would a world twice the size of Earth be able to have similar weather patterns?

The TLDR for this is if I have a planet that is twice the diameter of Earth, (so four times the surface area), would continental distribution have more effect on the weather patterns than the sun and ...
Frithgar's user avatar
0 votes
2 answers
95 views

Auroras of a planet around an active M7 red dwarf

A planet the size of earth around a pretty active M7 red dwarf (think of M to X level flares almost every day) has a decent magnetic field of 0.5-0.8 Gauss, orbiting at a distance of 0.0443AU, with a ...
Fox Studios's user avatar
4 votes
1 answer
92 views

Would the atmospheric circulation experienced on my world's high platforms seem to be reversed?

In this world, that rotates in the same direction and at the same rate as Earth, where the land platforms that cover around 10-20% of the world's surface is (magically) suspended at the 1 ATM level, ...
Monty Wild's user avatar
  • 63.3k
2 votes
1 answer
125 views

Can ammonia and sulfur dioxide oceans coexist?

I have a world that has a 0.2 bar atmosphere and at -65°C, so theoretically, ammonia and sulfur dioxide can exist as a liquid in those conditions. What if an ocean of both liquids existed? Would it ...
Fox Studios's user avatar
23 votes
18 answers
5k views

There's no space to construct a runway. Are early planes still useful and promising technology?

My setting exists on a huge vertical cliff with no top or bottom, and currently nearing the end of an steampunk-y industrial revolution, putting its tech level somewhere in the range of 1860s to 1910s....
Darth Biomech's user avatar
3 votes
7 answers
1k views

Why is "magic" possible in the Elidrian side of reality but not on Earth? [closed]

TL:DR: "Why is "magic" possible in the Elidrian side of reality but on our terrestrial side of the universe? " I'm creating a game and attempting to breathe life into a story that ...
user avatar
4 votes
14 answers
5k views

Does magic speed up technology?

In a classic RPG magic system, energy/mana/handwavium points are expended to manipulate reality. The cost increases with the complexity and extent of the alterations being made. Natural talents for ...
user avatar
5 votes
3 answers
214 views

World built inside a gigantic drainage pipe

I'm doing a Pratchett style fantasy book, and the setting - the Downspout - is built in a downspout of an astronomically sized gutter drain pipe. We're assuming an impossibly large structure housing ...
shinobody's user avatar
  • 184
3 votes
4 answers
1k views

Would a windmill shaped like a waterwheel work?

The culture I'm working on lives in a constant state of snow storms and tundra. In the snow lives a bioluminescent type of algae that thrives on the cold and only glows when its temperature goes above ...
CoffeeSluggin's user avatar
2 votes
2 answers
138 views

How would dimensional travel(similar to Obito's Kamui) work? [closed]

I am writing a story on which several characters are able to create pocket dimensions. For example: character A does this by warping space permanently, through something akin to a programming language,...
Lucas-G's user avatar
  • 31

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