Worldbuilding Stack Exchange is a question and answer site for writers/artists using science, geography and culture to construct imaginary worlds and settings. It only takes a minute to sign up.

Sign up to join this community
Anybody can ask a question
Anybody can answer
The best answers are voted up and rise to the top
Worldbuilding

Explore our questions

Ask Question
more tags
Active 1 Bountied Hot Week Month
1 vote
0 answers
41 views

How to estimate the energy output of artificial suns

BMF
  • 4,652
11 votes
2 answers
5k views

Could a planet have 1/2 the Earth’s mass but 1 g surface gravity?

WindowsNT
  • 1
3 votes
1 answer
73 views

How to build a gas giant?

L.Dutch♦
  • 259k
0 votes
0 answers
102 views

I’m trying to imagine an Earth-like planet around Barnard’s star

EDL
  • 11.5k
7 votes
7 answers
2k views

Creating a second earth: How to make a continent?

Ralph Bolton
  • 563
5 votes
4 answers
449 views

What is the minimum specifications for a ship to survive propulsive reentry?

redfrogcrab
  • 1,139
8 votes
7 answers
2k views

How do I calculate sea level on a planet with no seas?

Glorfindel
  • 2,210
6 votes
4 answers
696 views

Temperature on a 14-days day planet

jdunlop
  • 25.7k
5 votes
3 answers
2k views

White-hot tungsten moon emitting heat and light to make my world habitable

ArktourosUltorMaximus7600
  • 2,206
4 votes
1 answer
61 views

How would giant creatures that "live" underground shifting their limbs affect seismic activity

JBH
  • 105k
1 vote
1 answer
103 views

What would a hycean planet look like?

Robert Rapplean
  • 7,139
2 votes
2 answers
104 views

How could a planet stop spinning?

Boba Fit
  • 2,154
15 votes
6 answers
3k views

Planet with dual core

Glorfindel
  • 2,210
7 votes
2 answers
163 views

climate of a planet of only archipelagoes and shallow seas

Vergilius
  • 328
Browse more Questions

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.