User Harthag - Worldbuilding Stack Exchange

40 votes

10 answers

7k views

Can a planet stay cracked?

asked Apr 27, 2022 at 22:16

38 votes

8 answers

5k views

What would happen to a star if most of its energy were reflected back at it?

asked Jan 13, 2022 at 19:21

23 votes

18 answers

6k views

Units of measurement, especially length, when body parts vary in size among races

asked Aug 14, 2019 at 19:37

22 votes

1 answer

2k views

Can a habitable moon rely on the magnetosphere of its parent planet for radiation protection?

asked Sep 13, 2018 at 20:54

14 votes

2 answers

2k views

What kind of Gas Giant has a "safe zone" between the radiation from a star and the radiation from a gas giant planet?

asked Sep 21, 2018 at 19:27

11 votes

3 answers

1k views

What is the maximum orbital time for my moon around my planet?

asked Oct 2, 2018 at 21:47

11 votes

2 answers

563 views

How long would this eclipse last?

asked Jun 6, 2019 at 17:55

11 votes

3 answers

232 views

Equatorial oceanic river caused by tides

asked Jun 28, 2019 at 15:53

10 votes

3 answers

946 views

What would a Pegasus actually do with its legs while flying?

asked Aug 19, 2019 at 21:01

9 votes

3 answers

383 views

How tall can trees get if water transport limitations are bypassed?

asked Mar 8, 2022 at 23:01

7 votes

2 answers

549 views

Anthropomorphic flying squirrel, gliding capability

asked Sep 20, 2019 at 15:03

7 votes

2 answers

1k views

Giant bug noises

asked Oct 3, 2019 at 16:26

7 votes

2 answers

628 views

Post nuclear apocalypse fauna

asked Jul 25, 2019 at 21:37

7 votes

1 answer

291 views

Determining this horseshoe/co-orbital moon's possible orbital periods

asked Jan 18, 2019 at 19:23

7 votes

3 answers

293 views

Are there any plausible 'alternative' methods of planetary formation?

asked Sep 27, 2018 at 17:27

7 votes

1 answer

269 views

Co-orbits and Tides

asked Jan 11, 2019 at 18:46

6 votes

1 answer

8k views

Ancient, medieval, and middle ages ship speeds

asked Jan 17, 2019 at 16:47

6 votes

2 answers

547 views

How far out can a pre-telescope human society (naked eye observations only) detect planets?

asked Dec 18, 2018 at 21:33

6 votes

1 answer

1k views

What tree type grows into the most dense forests?

asked Feb 18, 2019 at 20:12

6 votes

3 answers

229 views

Longest "linear" natural formations

asked Aug 30, 2019 at 19:35

6 votes

4 answers

2k views

How big would the ice ball have to be to deliver all the water at once?

asked Sep 24, 2019 at 15:27

4 votes

2 answers

2k views

Humans plus Hemocyanin

asked Nov 2, 2019 at 12:33

4 votes

2 answers

174 views

Anatomically(?) correct nanobots [closed]

asked Nov 11, 2019 at 16:47

4 votes

2 answers

320 views

How long can this planet hold its atmosphere?

asked Jan 21, 2022 at 18:46

4 votes

2 answers

143 views

What are some plausible formation explanations of a non-hot "Fluffy" Gas Giant planet?

asked Oct 11, 2018 at 17:21

3 votes

1 answer

836 views

Feasible star + planet + moon combo? Did I miss anything that makes this system wildly unstable or otherwise impossible?

asked Oct 10, 2018 at 17:52

3 votes

3 answers

215 views

Can an organism have body structure materials that crumble upon being injured?

asked Jun 17, 2022 at 19:46

1 vote

3 answers

295 views

Must Make a Major Modification of Medieval Metallurgy

asked Feb 1, 2019 at 19:28

-1 votes

1 answer

151 views

Estimates for undetectable planets in extra-solar systems [closed]

asked Nov 12, 2018 at 20:44

Stack Exchange Network

29 Questions

Can a planet stay cracked?

What would happen to a star if most of its energy were reflected back at it?

Units of measurement, especially length, when body parts vary in size among races

Can a habitable moon rely on the magnetosphere of its parent planet for radiation protection?

What kind of Gas Giant has a "safe zone" between the radiation from a star and the radiation from a gas giant planet?

What is the maximum orbital time for my moon around my planet?

How long would this eclipse last?

Equatorial oceanic river caused by tides

What would a Pegasus actually do with its legs while flying?

How tall can trees get if water transport limitations are bypassed?

Anthropomorphic flying squirrel, gliding capability

Giant bug noises

Post nuclear apocalypse fauna

Determining this horseshoe/co-orbital moon's possible orbital periods

Are there any plausible 'alternative' methods of planetary formation?

Co-orbits and Tides

Ancient, medieval, and middle ages ship speeds

How far out can a pre-telescope human society (naked eye observations only) detect planets?

What tree type grows into the most dense forests?

Longest "linear" natural formations

How big would the ice ball have to be to deliver all the water at once?

Humans plus Hemocyanin

Anatomically(?) correct nanobots [closed]

How long can this planet hold its atmosphere?

What are some plausible formation explanations of a non-hot "Fluffy" Gas Giant planet?

Feasible star + planet + moon combo? Did I miss anything that makes this system wildly unstable or otherwise impossible?

Can an organism have body structure materials that crumble upon being injured?

Must Make a Major Modification of Medieval Metallurgy

Estimates for undetectable planets in extra-solar systems [closed]