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Questions tagged [greenhouse-effect]

For questions about the greenhouse-effect, on Earth or other planets

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3 votes
2 answers

What factors can I use determine if my runaway greenhouse planet will have a thick water vapour atmosphere?

A question related to this question When Earth’s oceans evaporate, one of two feedback situations could occur: The "moist greenhouse" where water vapour dominates the troposphere while ...
casualworldbuilder's user avatar
6 votes
2 answers

Habitable inner planet with large oceans, fast rotation and earth-like atmosphere

According to several articles (such as this post), a habitable inner planet (more than 1.1x Earth’s insolation) could realistically form with liquid water (and avoid turning Venusian) through the ...
casualworldbuilder's user avatar
2 votes
2 answers

Evaporation phase runaway greenhouse planet, getting temperature and air pressure values

According to this video: When Earth reaches the Komabayashi–Ingersoll limit, it will reach the point where a runaway greenhouse can occur. In the evaporation phase, Earth will end up with an ...
casualworldbuilder's user avatar
1 vote
0 answers

How much light would pass through ice? [closed]

I am writing a book in which a civilisation lives in the remnants of a giant crater with a dome of ice over the top. This crater is huge, I'm talking about 200 square miles huge, so this is a very ...
CannedCherries's user avatar
3 votes
4 answers

How to explain an ocean planet having lots of greenhouse gases

How would I explain an ocean planet having a large amount of greenhouse gasses, I do not mean akin to Venus, I just mean enough to increase the size of the habitable zone by a sufficent amount. Enough ...
DanceroftheStars's user avatar
-3 votes
2 answers

How can I avoid the runaway greenhouse effect on a planet with 2x Earth masses and a dense thick atmosphere?

I've been working on a spec bio project with a planet which is 2x Earth masses with a dense atmosphere. However, I have one big issue : how do I avoid making a runaway greenhouse effect? Like the ...
Jerry Robinson's user avatar
2 votes
3 answers

Let's have a planetary greenhouse effect only in winter?

Suppose there's zillions of tons of CO2 in the atmosphere of a planet and summer temperatures become unbearable. The amount of CO2 is so big it cannot be removed anymore, or it would become an endless ...
Goodies's user avatar
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0 votes
1 answer

How to calculate greenhouse effect for planet as well as for the atmosphere?

I recently found a calculation on how to calculate the greenhouse effect for Earth from another question here, but I couldn't make heads or tails of the calculations that were provided in one of the ...
Vivaporius's user avatar
4 votes
1 answer

How would I calculate the greenhouse effect based on atmospheric composition?

Problem: For a known, but hypothetical planet orbiting a celestial body, how would I calculate the surface temperature after greenhouse gases? What I know about the planet as given: Planetary ...
n2qzshce's user avatar
  • 116
5 votes
1 answer

Keeping the global average temperature at current levels if the Earth moves away from the Sun. What is the limit?

Suppose that due to an encounter with a rogue planet, the Earth is propelled out of the Solar system. It will then get gradually colder on Earth. We can try to restore the global temperature to the ...
Count Iblis's user avatar
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5 votes
2 answers

How to calculate the greenhouse effect?

I tried many equations (Stefan-Boltzmann constant) that gave me a temperature of 249.769 Kelvin (-23.38°C) assuming no atmosphere and 297 Kelvin (24°C) with perfectly absorbing one, but my planet is ...
Khalid's user avatar
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