User Elhammo - Worldbuilding Stack Exchange

10 votes

4 answers

3k views

Would a lower gravity planet have deeper oceans and higher continents?

asked May 16, 2022 at 17:41

8 votes

6 answers

5k views

If Earth had a smaller radius, but was rotating at the same speed, would its day be shorter?

asked May 12, 2022 at 23:00

8 votes

3 answers

460 views

How would increasing or decreasing atmospheric pressure affect the amount of precipitation over a planet?

asked Jul 21, 2022 at 20:15

8 votes

1 answer

913 views

How might planet size affect volcanic activity?

asked Sep 6, 2023 at 17:10

7 votes

2 answers

287 views

Is an atmosphere's oxygen partial pressure or concentration more biologically significant?

asked Oct 4, 2022 at 19:53

5 votes

1 answer

120 views

Are there any atmospheric properties that might make iridescent clouds more common on a different planet?

asked Aug 25, 2022 at 20:08

5 votes

1 answer

91 views

Could any photosynthesis occur at 5.5 AU on a warm planet?

asked Sep 22, 2022 at 17:16

4 votes

1 answer

245 views

On a planet with a 2 atm atmosphere, how would atmospheric pressure affect plant evolution?

asked Sep 7, 2023 at 4:18

4 votes

3 answers

283 views

Could a planet with lower atmospheric nitrogen be habitable?

asked Jul 29, 2022 at 3:28

4 votes

2 answers

287 views

Would 25% less gravity produce dramatic differences in animal morphology?

asked May 19, 2022 at 18:04

4 votes

2 answers

144 views

Adaptations for a planet with high atmospheric pressure, to avoid nitrogen narcosis?

asked Sep 10, 2023 at 0:54

3 votes

2 answers

240 views

What atmospheric pressure and temperature are reasonable to maintain water on a low gravity planet?

asked May 12, 2022 at 18:52

2 votes

2 answers

350 views

If Earth was less massive, with 25% less gravity and an atmosphere scaled down proportionately, how would that affect climate?

asked May 23, 2022 at 22:23

2 votes

4 answers

251 views

How might a lower gravity planet sustain a warm, earth-like atmosphere?

asked May 24, 2022 at 18:52

2 votes

2 answers

358 views

Could a captured planet end up in the habitable zone of a new star system?

asked Sep 9, 2023 at 14:46

2 votes

1 answer

257 views

What types of adaptations might alien life have to survive high atmospheric pressure?

asked Oct 5, 2022 at 2:43

2 votes

4 answers

177 views

Would a planet with stronger winds create more interesting landforms through weathering?

asked Jun 29, 2022 at 21:20

1 vote

1 answer

65 views

Could a substantial atmosphere protect a large moon from radiation belts like those seen in Jupiter's magnetosphere?

asked Aug 26, 2022 at 7:39

1 vote

2 answers

169 views

How fast would winds be on a terrestrial planet with a 12 hour day?

asked Jun 28, 2022 at 21:29

1 vote

1 answer

92 views

Would larger oceans stabilize temperature on a smaller planet with a thinner atmosphere?

asked May 20, 2022 at 19:16

1 vote

1 answer

80 views

How would hydrostatic skeletons respond to different atmospheric pressures?

asked Jan 12 at 22:17

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21 Questions

Would a lower gravity planet have deeper oceans and higher continents?

If Earth had a smaller radius, but was rotating at the same speed, would its day be shorter?

How would increasing or decreasing atmospheric pressure affect the amount of precipitation over a planet?

How might planet size affect volcanic activity?

Is an atmosphere's oxygen partial pressure or concentration more biologically significant?

Are there any atmospheric properties that might make iridescent clouds more common on a different planet?

Could any photosynthesis occur at 5.5 AU on a warm planet?

On a planet with a 2 atm atmosphere, how would atmospheric pressure affect plant evolution?

Could a planet with lower atmospheric nitrogen be habitable?

Would 25% less gravity produce dramatic differences in animal morphology?

Adaptations for a planet with high atmospheric pressure, to avoid nitrogen narcosis?

What atmospheric pressure and temperature are reasonable to maintain water on a low gravity planet?

If Earth was less massive, with 25% less gravity and an atmosphere scaled down proportionately, how would that affect climate?

How might a lower gravity planet sustain a warm, earth-like atmosphere?

Could a captured planet end up in the habitable zone of a new star system?

What types of adaptations might alien life have to survive high atmospheric pressure?

Would a planet with stronger winds create more interesting landforms through weathering?

Could a substantial atmosphere protect a large moon from radiation belts like those seen in Jupiter's magnetosphere?

How fast would winds be on a terrestrial planet with a 12 hour day?

Would larger oceans stabilize temperature on a smaller planet with a thinner atmosphere?

How would hydrostatic skeletons respond to different atmospheric pressures?