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Questions tagged [temperature]

This tag is for questions which are about temperature, heat and their effects on the environment, the heat of astronomical objects, living being,s things and space and what it might be like.

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Worldwide climate [duplicate]

Is it possible for an entire planet to have the same climate? So lets for example say an entire world with a northern european (scandinavian) climate and accompanying geography. (No deserts, no ...
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4answers
179 views

The pros and cons of thermokinesis

I am currently working on a magic system that involves Thermokinesis, which is the ability to manipulate temperature. This power involves controlling the rate of movement of molecules, which is ...
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3answers
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What would the temperature variation of an outer orbiting planet look like in a binary system?

I am creating a binary star system with a likeness to the Alpha Centauri system with an outer orbiting planet like Proxima Centauri. On an earth similar planet what would the temperature variation ...
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What would happen to the climate if Earth's sea-levels rose 2000m?

This is the first of possibly several posts about the following scenario, in which Earth's sea-level rises 2 km overnight, generating a world map looking like this: Question: What would be the ...
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4answers
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How would a permanently cold tower affect its environment?

In my world, physics works exactly like on Earth, except that there is a narrow, 400 foot tall magical column sticking vertically out of the ground, which is magically always extremely cold -- I'm ...
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1answer
104 views

What is the highest and lowest comfortable average temperature on a planet?

I want to write about a planet that has a high average temperature, but low enough to be comfortable. Just because of curiosity, I would also like to know the lowest comfortable. Additional Info: ...
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5answers
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How can I make a black dwarf star?

In response to a question about an asteroid filled with degenerate matter, Ender Look suggested that using matter from a black dwarf would be better than using matter from a white dwarf since black ...
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1answer
84 views

Can waves transport temperature? or How to stop atoms from creating heat [closed]

I'm working on a story in which a artificial crystal can turn elements into other elements using waves of protons,neutron and electrons in a pattern, but my question is: can cold be transported by the ...
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4answers
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Could a world exist with a distinct line of changing temperatures between the hemispheres?

I'm trying to create a world where there's an equator-like divide running along the axis(?) of the planet and the two hemispheres are perpetually different in terms of temperature. Basically, I want ...
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2answers
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How would the length of a day-night cycle affect a planet's climate?

I am envisioning a habitable world with an atmosphere comparable to earth's in which one day is extremely long (>100 earth years). Human settlers have successfully colonized a small portion of the ...
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1answer
103 views

How massive can a terrestrial planet be and still be habitable? Will its space civilization have problems due to its escape velocity? [duplicate]

The star is Sun-sized and my planet will be more massive than Earth. How massive can my planet be and still be habitable. This is without its internal heat being a problem leading to its becoming a ...
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3answers
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Can a planet have warm or temperate climates within its polar regions?

Note: an edit has been made to the main question at the bottom A couple of years ago, I had a worldbuilding project which I have recently revived. I was relatively new to worldbuilding back then, ...
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10answers
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Medieval method of measuring temperature

What methods could a medieval society (technology level around 1475-1500 AD) use to measure the temperature of a liquid? The world is similar to medieval Britain/Europe, but with more trade so ...
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1answer
60 views

What mechanism would be needed to contain and inject super-heated plasma into a target?

Two days ago, I proposed a design for dual forearm-mounted super-heated stabbing blades composed of a Titanium-Coltan alloy and capable of reaching 1,000 °C. These arm-blades were intended to act as ...
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3answers
208 views

What are the practicalities and impracticalities of ultraheated forearm-mounted blades utilized by a robot? [duplicate]

I have a series of humanoid combat robot dubbed the Atlanta-Types created specially to fight someone (codenamed Heracles) with the powers of electrokinesis and Low-Mid regeneration on equal footing. ...
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7answers
175 views

What's the plausible purpose of a freezing weapon or tool? [duplicate]

Elemental weapons are quite common in video games, and I'm interested in writing those types of weapons in a setting of realistic consequences. However, I am having troubles justifying the existence ...
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5answers
219 views

Why would anyone want a freezing weapon? [closed]

I have a hobby of writing video game item descriptions, usually trying to justify game mechanics within the flavor text. Elemental weapons are especially fun to explain in-universe. Lightning spears ...
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14answers
10k views

Superheated bullets and the damage they would deal

So, imagine that we're using technology that allows us to fire superheated bullets, and we decide to implement it against three types of opponents: Unarmored, wearing just normal clothes Lightly ...
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3answers
236 views

On a frozen world, what would be the thinnest, warmest materials to make clothing from?

I have a world I've been developing whereby the entire world is locked in a cycle of perpetual winter. The "seasons" still exist but are merely a spectrum of mild cold ranging toward horrific winters....
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1answer
159 views

Could a star half as hot as our sun maintain similar surface temperatures of planets orbiting it if it was half the distance?

I'm trying to build a world that is orbiting a red giant but sustains life similarly to the conditions of earth.Since red giants are about half the temperature (3000 kelvin) of our sun (6000 kelvin) ...
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1answer
123 views

Given atmospheric composition, density and scale height, planetary radius, and escape velocity, what is the lapse rate?

My planet Mass = 0.602 MEarth Radius = 0.870 REarth Density = 5.04 g/cm3 vesc = 9.3 km/s Temperature = 272 K My atmosphere 74.84% N2 22.04% O2 1.38% CH4 1.25% Ar 0.27% H2O 0.11% CO2 ...
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2answers
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What atmospheric composition do I need to sustain Earth-like temperatures at my planet's orbital distance; how close should my asteroid belt be?

I need to heat my planet and I've decided that the two most plausible and controllable ways to do so are by increasing the amount of bombardment by meteoroids from a nearby asteroid belt, and by ...
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2answers
212 views

Is a snowball planet a necessary step in the evolution of a life-sustaining ocean planet?

Still working on that world with with a 93% ocean covering. My star Xat is 1.71 LSol, and my planet Jasmi orbits at 2.14 AU. I've been warned that the resulting apparent brightness of about 37% Sol ...
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2answers
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What is a plausible way to fuel highly active volcanism and seismic activity on my planet?

I thought that a large, close moon might help generate enough heat and stress to raise the average temperature on my world and stave off a Snowball Earth scenario. According to this article and this ...
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1answer
107 views

Where to find equations to calculate tidal heating in a binary planet/planetesimal system?

I'm building a very small homeworld (0.602 M$_e$) with a very large moon (0.0711 M$_e$) that orbit each other at a barycenter about 7.12 planetary radii (1 R = 0.870 R$_e$) from the primary's center; ...
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1answer
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If there were giant irregular mirrors above cities that would reflect sunlight, would that heat the atmosphere and cause global warming? [closed]

Or would the heat dissipate back into space? For my world building purposes, I need it to cause global warming, I just don't really know if it would work. Maybe the cities would need to be bigger then ...
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5answers
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How long could someone survive in “Sky cell” like prison?

In the fiction, A Song of Ice and Fire/Game of Thrones, one high castle in the mountains, the Eyrie, has so-called sky cells. Those cells are left open to the cold sky. The Eyrie is 600 foot/180 ...
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1answer
124 views

What would the temperature variation be on this planet? (High eccentricity & slow rotation)

I've been trying to figure out a model (or find a relevant paper) for calculating the approximate day/night and periapsis/apoapsis temperature variation for an earth-like planet that has a high ...
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2answers
215 views

What's the fastest (least time consuming) way to completely freeze a living, adult human?

Jane was different from the other kids. While all the other kids were playing with fire, Jane played with ice. Now, Jane has grown up and is an accomplished scientist or engineer in your discipline of ...
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1answer
126 views

How would I make two biomes seem realistic as they change into one another? [duplicate]

I am building a world where there is a big desert and the next biome over is a swamp. The desert goes for miles, and the swamp is also huge. I know that some biomes do not go together, such as a Polar ...
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2answers
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How to determine the temperature of an Earth-like planet with two major heat sources?

Ghyesh is an Earth-like habitable moon that orbits a gas giant in a system with a sun significantly larger and hotter than Earth's. Both the gas giant and the sun emit an equal level of heat to the ...
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5answers
476 views

Is there a way for a creature from earth to survive the vacuum of space for ten minutes?

I was wondering if there was a way for a creature to survive the vacuum of space for ten minutes with only a tank of oxygen and a mask to breathe the oxygen with. The creature comes from an Earth-like ...
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1answer
119 views

Maintain atmosphere on moon using global warming

So, a neat thing, depending on how you look at it, about greenhouse gases is that while it's causing a raise in temperature near the surface it actually makes the upper parts of the atmosphere ...
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12answers
6k views

Is it possible for a substance to be thermally inert?

Heat is energy. Temperature is an indication of the level of heat in a substance. But the normal way to measure temperature is to observe how the substance interacts with its surroundings - most ...
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6answers
263 views

How would one determine the upper and lower temperature limits for a race of human-sized reptiles?

It's a fairly well-known fact that reptiles are ecotherms, meaning that they require outside sources of heat to stay warm and metabolize. However, being too hot can cause heat sickness (not fun), and ...
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2answers
111 views

How might spoken language (vowels) be different for Fire Breathers with fine temperature control?

I'm writing up a conlang for a story wherein there exists a society of foreign creatures who are very physiologically diverse. Some are mammallian, others avian, reptilian, and some more fantastical. ...
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1answer
560 views

How hot can I make the insides of my spaceship before damaging crew too much?

Spaceships are a peculiar thing; as are the things inside them. Humans... Humids... Humies - the colloquial term for those crazy enough to make a living by crewing these hulks of metal. A special ...
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1answer
110 views

Surface temperature when outside solar system

Suppose Earth has drifted away from solar system for some reason. It has been 320 years since drifting started. For almost 250 years, it is farther away from Neptune. - How cold would the surface ...
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1answer
183 views

Temperature of a habitable Venus?

I'm looking at designing a neo-Old Solar System version of Venus which is habitable. The following conditions hold: The cloud cover still exists, hiding Venusian civilization from the outside world ...
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3answers
210 views

What is the range of lava/magma viscosity on exoplanets; what conditions would have the least viscous lava lakes?

On planets of have different temperatures, conditions and chemical makeup of the lava/magma, what would be the least viscous lava around? (Relevant to an earlier question - What would an efficient ...
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2answers
289 views

What temperatures could I expect to find on a world with a 9 year day?

I am working on a world where, instead of 24 hours, a day lasts 9 years. On this world the land far exceeds the oceans, to the point where the bodies of water are simply massive lakes (a la the ...
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4answers
132 views

Properties of fictional material for artificial skin

How would one go about giving a scientific explanation for artificial skin gradually adapting to certain environments? For example, suppose character C has the ability to adapt to changes in ...
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4answers
145 views

Rocky core, internal ocean, ice crust, external ocean

So I writing a story where we terraform Titan using super heavy green house gases where the lower part of the atmosphere near the surface stays warmer. Because of this, a portion of the moon's icy ...
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3answers
168 views

Possible thermoregulation temperatures

There are a wide range of environmental temperatures located all around the world, from the low -90° C to high 60° C at the extremes. When looking at the core body temperature however the range is ...
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9answers
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Polar Heat, Equatorial Cold - Climatic Effects of Inverted Global Temperatures

How does inverting global temperatures affect climate? Here exists a fantasy world similar to earth in all important ways. Except, however, that global temperatures have been flipped; it is coldest ...
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3answers
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Is there a metal, that is not sticky during freezing weather [closed]

Is there any metal, that your tongue will not stick during winter? If there are several, please list all metals with such property, that you can remember.
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2answers
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Using temperature to contain an atmosphere?

So, I was looking at the temperature variations in Earth's atmosphere and noticed that it gets extremely cold in some of the upper portions. So I was wondering, could a low gravity world hold onto an ...
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5answers
444 views

How fast can heat be carried away from a small source?

Someone invents a portable, incredibly high-powered laser or similar energy weapon. The mechanism of energy production can be hand-waved away. In other words, it will heat up. Lots. Gigawatts lots, or ...
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1answer
330 views

How cold can a planet actually get?

The coldest place in the universe that we have observed is in the Boomerang Nebula. Similarly to a refrigerator, heat is carried away through a fluid, resulting in a space colder than the surrounding ...
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4answers
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How would temperature variation work on the inside surface of a Dyson sphere?

Let's say I have a Dyson sphere roughly the same size of the earth with a very small "star" in the center. Continents, oceans, and people inside the sphere experience a reverse gravity in the opposite ...