Worldbuilding Stack Exchange

3

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0

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If the Earth is completely covered by mirrors, how quickly does it freeze?

science-based planets climate climate-change

asked Jul 30 at 23:47 user289661 1,631

14

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18

answers

4k

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How would Earth turn into debris drifting through space without everything at its surface being destroyed in the process?

science-based planets science-fiction

modified Jul 29 at 23:42 BryKKan 101

16

votes

6

answers

3k

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Is it believable having a space industry constantly exporting resources from Earth to space colonies eventually leading to a conflict between the two?

planets space spaceships space-constructs

modified Jul 28 at 15:53 Pimgd 1,068

3

votes

1

answer

158

views

Planetary tilting bad?

planets aliens environment axial-tilt

modified Jul 27 at 7:57 Goodies 885

1

vote

1

answer

46

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Calculating the Atmospheric Properties of an Exoplanet

planets hard-science atmosphere habitability gas

answered Jul 27 at 1:10 HDE 226868♦ 94.9k

16

votes

8

answers

544

views

What would be the appearance and color of a deep, pure and vast liquid CO₂ ocean as viewed from space (ignoring the atmosphere's influence)?

science-based reality-check planets light optics

modified Jul 26 at 0:49 Hermione Granger 129

11

votes

3

answers

966

views

If our world was on a turtle… then how big would the planet the turtle is living on be?

planets alternate-worlds

modified Jul 23 at 20:07 Community♦ 1

5

votes

7

answers

659

views

Can two empires jointly administer a region?

reality-check planets culture government governance

modified Jul 22 at 2:54 Vikki 843

5

votes

2

answers

526

views

Is a super-Earth with the same gravity as Earth possible?

reality-check planets earth-like

modified Jul 20 at 15:09 HDE 226868♦ 94.9k

1

vote

1

answer

197

views

Would evolution come to a standstill on an ancient planet with (near-)zero radiation?

planets evolution radiation mutation

modified Jul 20 at 5:27 MolbOrg 4,538

26

votes

10

answers

4k

views

Is it possible for the soil of a desertic exoplanet to be so copper rich that its surface is mostly covered in green-blue deserts?

science-based reality-check planets deserts soil

answered Jul 18 at 17:19 Matija Nalis 914

8

votes

4

answers

454

views

NASA discovery: 1 star, 7 planets, multiple in habitable zone. How would this affect life on the planets?

planets evolution technological-development xenobiology

modified Jul 16 at 16:16 Fraser 357

11

votes

1

answer

1k

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Trying to survive a passing neutron star by burrowing deep in the planet's crust?

planets astronomy solar-system cataclysms

modified Jul 11 at 18:02 HDE 226868♦ 94.9k

9

votes

10

answers

1k

views

Why would humans build / send sample humanoid robots on an alien planet before humans arriving themselves?

technology planets science-fiction space-colonization robots

modified Jul 8 at 20:26 Nosajimiki 49.6k

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If the Earth is completely covered by mirrors, how quickly does it freeze?

How would Earth turn into debris drifting through space without everything at its surface being destroyed in the process?

Is it believable having a space industry constantly exporting resources from Earth to space colonies eventually leading to a conflict between the two?

Planetary tilting bad?

Calculating the Atmospheric Properties of an Exoplanet

What would be the appearance and color of a deep, pure and vast liquid CO₂ ocean as viewed from space (ignoring the atmosphere's influence)?

If our world was on a turtle… then how big would the planet the turtle is living on be?

Can two empires jointly administer a region?

Is a super-Earth with the same gravity as Earth possible?

Would evolution come to a standstill on an ancient planet with (near-)zero radiation?

Is it possible for the soil of a desertic exoplanet to be so copper rich that its surface is mostly covered in green-blue deserts?

NASA discovery: 1 star, 7 planets, multiple in habitable zone. How would this affect life on the planets?

Trying to survive a passing neutron star by burrowing deep in the planet's crust?

Why would humans build / send sample humanoid robots on an alien planet before humans arriving themselves?

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