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.

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11
votes
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 ...
14
votes
7answers
810 views

An enviroment where a bird-like creature can survive on passive feeding

The question about a diet of dust brought up a few creatures that survive on dust, however they were all insect-sized or smaller. This got me thinking about the Blue Whale, which survives on a diet of ...
13
votes
1answer
1k views

What effect would three moons have on ocean/landscape formation?

I'm building an alien world for a game mod, and want to avoid any blatant mistakes from a world-building perspective. The world has three moons visible in the night sky - two on one side near each ...
12
votes
2answers
624 views

Centralised continent, with sea/wind currents?

I'm currently designing a large scale D&D based campaign, magic is based on winds and weather coming from two points, the 'northern pole' and the 'southern pole'. Currently the "world" is a ...
11
votes
5answers
1k views

What would a culture based around light look like?

I am working on an earth-like empire (actually, an alternate-universe Earth with Belgium as the global powerhouse) which, instead of using fossil and nuclear fuels, uses light as their principal form ...
4
votes
1answer
136 views

Social Implication of Restricting Ecosystem [closed]

Assuming a world with multiple (more than ten) competing sapient species, and assuming that some of these species are restricted to certain ecological conditions, how would one expect political and ...
3
votes
4answers
212 views

Night and light in the reign of the lizardmen

So I'm writing a story on a population of lizardmen who have subdued all the human population. Since lizards spend lots of their time soaking in the sun, I'm not sure how should I go for the night-...
20
votes
14answers
2k views

Why would you build underground defensive structures in an an alternate world medieval europe?

Assuming a world otherwise like ours and at the same technological level of medieval Europe, what change in the world might have caused people to build defensive structures underground rather than ...

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