How to estimate the average surface temperature of a planet? [closed]
If given:Planet massPlanet radiusPlanet orbital distance (perihelion and aphelion)Planet albedoPlanet atmospheric compositionPlanet atmospheric pressureStar massStar luminosityIs there any way to...
View ArticleHow to calculate temperatures on my world given different pressures and...
The fictional world is Earth-like with 1g gravity and similar solar radiation to Earth but the inhabitants only live on very high plateaus at around 5000m where the pressure is already 3bar. How do I...
View ArticleHow can my fictional race of humans extend the area of their world they can...
This world is an alternate Earth similar size, mass and distance from its star to our Earth. The atmosphere is similar in composition to Earth except at 5000m altitude the pressure is two bar and the...
View ArticleHow would a planet with three suns, orbiting only one work?
Okay, I am planning to make a planet that has three suns, and orbits one of them. Each of the suns has its own orbital path, so it's possible for the planet to have one sun, two suns, or three suns in...
View ArticleWhat key invention allows the exploration of my hot humid world?
I want to know what key invention would allow my civilization to travel down to and explore its world at sea level. This is similar to my previous question* but this time does not assume metals are in...
View ArticleWill the Violet-hot Flaming Torch Annihilate Everything Around Him?
I have an OC. His body can combust and become coated in flames, but when he gets really ticked off, his fire becomes hotter and becomes violet in color.From what I've read, violet fire is extremely...
View ArticleWhat is the plausibility of people living on a planet with two suns? [closed]
Some of my characters travel to a planet orbiting two suns. They don't spend long there and it's implied some other species lived there before but don't anymore.Is this possible? Would two suns affect...
View ArticleWould a permanent, but semi opaque, planet wide cloud coverage cause an ice...
On Earth over the course of time, a permanent cloud envelops the planet due to various reasons. However, unlike a nuclear winter or permanent ash cloud situation that completely blots out the sun, this...
View ArticleCan my planet be gradually eroded by solar wind over 6 billion years?
The planet is a barren rocky dwarf planet which orbits at 0.05 AU from its star of 0.9 solar masses, at 6 billion years old. Because of this, it’s surface is melting and evaporating, forming a thin...
View ArticleCan my Planet Have Liquid Water at the Poles -- But Only During the Winter?
I have a planet about the size of earth. It is a desert planet with an atmosphere at 0.1 atm, made of 90% co2 and 10% n2. Water at this pressure should freeze at 35℉ and boil at 125℉. The planet has a...
View ArticleHow can intelligent insects defend themselves from the cold?
The world is an icy wasteland, populated only with dark fungi burrowing through the irradiated earth. The last plant life in this desert is cultivated in great cities of ants and honeybees. A few...
View ArticleWhat would the climate be like on highly volcanic planet?
I'm writing about a planet that is harsh but livable. This planet is covered with mountains and active volcanoes. Far more volcanoes than what exists on Earth. It is more like Venus but is much further...
View ArticleWhat happens if the temperature drops to -100 degrees Celsius for a short...
Since childhood, I have been haunted by the question: what if suddenly, for one second, the temperature drops to minus 100*С? Will my body feel it? Will it affect the environment? Maybe it will somehow...
View ArticleWhat global warming level would be needed to keep the dew point of some place...
Title might be a bit hard to understand but let me explain : when the dew point is above humans temperature (37℃) the water condenses in the lungs which are at a lower temperature than the air which...
View ArticleWhite-hot tungsten moon emitting heat and light to make my world habitable
Never mind how the tungsten sphere formed. That's part of my pet projects, and I will deal with the question of how a nearly pure sphere of tungsten the diameter of the moon formed in space later.So,...
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Temperature on a 14-days day planet
In this question I asked about temperatures on a planet where a day last 30 days. The data are the same:stellar flux of 1.118albedo between Earth's and Mars'satmospheric composition of 18% oxygen, 13%...
View ArticleHow can I heat my buildings without fire in a low-fantasy setting?
In my low-fantasy setting there is a civilization of blind people living in a very safe and isolated region of the world. Thinking about how this civilization could have developed throughout the...
View ArticleHow Effectively Could You Use Magical Darkness As A Compact Heatsink?
In this setting materials science is decades ahead, so answers should be limited by technology that isn't too speculative and don't presume anything supernatural beyond what I describe in this...
View ArticleWould a habitable moon orbiting a Gas Giant experience a runaway cooling...
Assuming the Moon in question is tidally locked to its parent, then on the facing-side of the moon a significant portion of the day time would be spent in eclipse behind the gas giant, essentially...
View ArticleCalculating the total thermal energy contained within an object [closed]
A character in my world has a superpower that allows them to convert all (or at least 99.99...%) of the thermal energy contained by the particles within a volume into directed kinetic energy, causing...
View ArticleIf Titan was suddenly raised to an earth-like temperature, how long before it...
After terraforming Mars, humans are now attempting to terraform Saturn’s moon Titan. Having removed much of its dense atmosphere, (reducing the pressure to just 0.7 bars) the colonists have now built a...
View ArticleSpacecraft Design of a Cold-Blooded Humanoid Race
I was talking with a friend recently and he reasoned that a cold-blooded race would take longer to get to space, but survive more easily once the technology progressed enough. The rationale was that a...
View ArticleIf the Earth had 48 hour days, how much would the temperature drop at night...
I'm building a world that's essentially identical to Earth, except that it spins slower, making the days about 48 hours long. I'd like to know what the average temperature drop at night would be, and...
View ArticleTemperature of an Earthlike planet in Mars location?
In the future, Mars has been successfully terraformed to be Earth-like in terms of atmosphere so that humans can inhabit it safely. If Mars had an atmosphere similar to Earth, but was still 1.52 AUs...
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What temperature range would a country north of Spain and west of France...
I'm writing an alternate timeline about a new country in Western Europe called Biscay. Biscay has a broadleaf forest biome and has many mountains along its southern border. Biscay is roughly equal to...
View ArticleIs it possible for a super Earth to have this specific atmospheric composition?
The planet I am making is a super Earth, a celestial body slightly larger than Earth, but not big enough to be considered a gas or ice giant.The atmosphere is the most important so here it is:The...
View ArticleNecessary distance for an ammonia world from Toliman
I am designing a planet that orbits the star Toliman, (Alpha Centauri B), which orbits well beyond the conventional Goldilocks zone. This planet has a similar radius to earth (6240 km) but its mass is...
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What will be temperature in inland depression deeper than 2 km below sea...
My another question related to already introduced planet Artemis is related to temperature gradient. Whether it will work also in depression deep under sea level and if yes what could be increase of...
View ArticleWhat are the climatic consequences of existing on a planet with a dense and...
I am making a non-habitable planet (Name: Xoo-akedar) for my solar system. Despite being close to the star (see characteristics below), it has a dense atmosphere that prevents the heat from the star...
View ArticleIs it possible to make a planet full of water and at the same time without life?
It's me again, I want to ask if it is possible to make a planet full of water but it has no life, the idea that it is a planet full of water with small islands in which there is no life, here is the...
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