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 beings, things, and space and what it might be like.

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What is the maximum equilibrium temperature that a mammal could evolve to tolerate?

Mammals live in some fairly extreme environments, but the most heat-tolerant ones all seem to cheat: e.g., they dig burrows to stay cool during the day and come out at night, avoiding the heat, or ...
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1answer
130 views

Could life exist on a planet that is heated mainly by hawking radiation from a super massive black hole that is millions of solar masses? [duplicate]

At a time long after the stelliferous there is a planet in orbit around a super massive black hole with almost all external heating coming from hawking radiation from the black hole it orbits. By ...
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1answer
145 views

Is a hot or cold environment better for intelligent beings? [closed]

I have always assumed that cold would be better for an intelligent being to work in mainly because of electronics. Electronics work better in the cold than the heat. Heat also makes it harder to work. ...
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2answers
139 views

Cooling the interior of a spacecraft to below the freezing point

I understand the Apollo 13 CM got down to 39°F after it was powered down following the explosion in the oxygen tank. Could the interior of the ISS be cooled (for more than 12 hours) to below 32°F ...
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4answers
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How would thermophilic fish survive?

I'm designing alien creatures for illustrations, and I'm just sketching some that might live in areas with a lot of geothermal activity. So basically, animals that live around geysers and hot steam. I ...
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7answers
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How might dragon remains be turned into a jewel?

Background: I have typical dragons: Huge, scaly, winged, and fire-breathing. I also have dragon magic, but I'd prefer answers not to draw on this too much. In my world, a planet similar to earth, ...
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3answers
131 views

Ice Dome Greenhouse

I have an icy planet with temperatures that average about -100 degrees Fahrenheit (-73,3 °C). The planet also has thousands if not millions of domes scattered across its completely icy surface heated ...
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6answers
207 views

Geothermal Oasis Alternatives on Ice Planet

I have an Earth analog that is nearly completely covered in ice and glaciers. I want to have oases of warmth scattered across the planet. These oases aren't tropical by any means, having just enough ...
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At what temperature should the earth be cooked to prevent human infection?

Humans are the equivalent of bacteria to planet-eating monsters. And since, as we all know, eating humans is dangerous business, these monsters have decided to cook our great planet Earth before ...
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7answers
863 views

A planet of ice and fire

I had an idea for a planet which has very hot days, roughly 40 degrees C on average, and very cold nights, average -5 degrees. These figures are subject to change. Of course, there are places which ...
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1answer
110 views

What would make a groke's metabolism endothermic in the thermodynamic sense?

This recent question got me thinking about a creature concept I've tentatively named after everyone's favourite Moomins character, the Groke. In particular, the creature concept is based on her below-...
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Could a life form evolve an organ for generating temperatures less than a degree Kelvin above absolute zero?

I was thinking of a life form with a similar surface temperature to Earth, as well as a similar temperature variation to that of Earth. Could such a life form evolve an organ for generating ...
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Alternative Uses of Bottomless Heat Sinks [closed]

Many traditional space settings feature cloaking devices, which, given what is required for them to work indefinitely against detection in space, imply ability to 'dump' waste heat 'into nowhere' (...
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1answer
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Heating a gas giant's moons in a red dwarf system

Being new, this is my first question. I've read some other posts that gave me valuable insight, but I still have some questions. First, some specifics: Star: red dwarf. 80 x jupiter mass. 3 billion ...
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1answer
67 views

Life in Jupiter-like conditions? [duplicate]

In a neighboring star system to my Conworld, there is a jupiter-sized planet that many of the species believe to harbor life. The star it is orbiting is a red dwarf, and the aforementioned "Re-Jove" ...
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Desert poles but arctic equators; trying to find out if specific way is possible

I'm trying to create a planet with a hot desert north and south pole but a cold equator. Is this possible? and if so how? And if it's heavily related to space how would night and day work on this ...
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1answer
126 views

Is an oxygen/nitrogen cycle possible, given a cold enough climate?

Suppose for whatever reason the sun's power has weakened. The Earth gets colder. All the water has frozen, and the temperature is getting to around the boiling point of oxygen. Can an "oxygen cycle" ...
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2answers
120 views

Is it safe to have an earth-like temperature for a 48-hour day-night cycle on a big planet?

I want this planet to be very earth-like on all aspects except for its size and the day-night cycle. The circumference is three times greater than the earth's circumference. The day-night cycle lasts ...
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2answers
147 views

There is some material able to stand a plasma arc welding without damage?

There is something that can stand that much temperatures ? or that kind of Welding can evaporate or melt everything ? I read that nothing could stand more than 7000 ° C, but i want to be sure, also, ...
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What problems would a superhuman have whose skin is constantly hot?

The basic premise is about a metahuman whose skin always emits large amounts of heat. It's usually around 300-500 F (150-260 C) degrees, but when he gets mad, in pain or in a serious fight, it can ...
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3answers
549 views

What materials can be used to make a humanoid skin warm?

The humanoids I'm talking about are designed with all the characteristics pertaining to robots developed with the help of soft robotics technologies. Although the skeleton is made of titanium, their "...
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19answers
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How to make ice magic work from a scientific point of view?

I've recently been imagining a world of magic with heavy influence from chinese wuxia and xianxia. In such worlds, there's often various fire and ice magic, among other different types. Now, fire ...
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2answers
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How do I figure out temperatures and amount of sunlight for a world?

How do I figure out the temperatures of certain latitudes on a planet with factors such as sunlight and the emission of heat and energy from a planet's interior? Assume the planet is smaller than ...
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2answers
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Reducing atmospheric pressure on Snowball Earth

A Snowball Earth is a global condition (which may have occurred many times) in which the temperature everywhere on the surface was, for extended periods (up to tens of millions of years), below the ...
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2answers
108 views

Is there a plausible causal mechanism to explain why the Sun would be heating up faster/ sooner than we thought?

I am writing a novel about what it will be like on earth 500 or so years before the death of our Sun. The Sun is heating up gradually and one day that will negatively affect life on Earth. I know that ...
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3answers
209 views

How large can a magical cold region be before it dramatically alters global climate?

In the setting I'm working on, I want to have a vast 'sea' of diamond dust that is sustained by some kind of chilling magic effect that's spread across the surface of the land. Since magic is ...
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2answers
192 views

Temperature and climate “under” the gas giant in a tidally locked moon

I've begun the laborious (but fun!) process of putting another world together. Known constraints include: Habitable, (super-)Earth-sized, tidally-locked moon to a gas giant; the giant, where visible,...
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Superheated wing blast!

So, we know that big creatures will generate lots of heat if they’re active. We also know that wings are very good at venting excess heat. Now for most animals, this heat isn’t exactly spectacular, a ...
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2answers
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What will be the first and the last piece of land to drown because of climate change? [closed]

What pieces of land will be the first and the last to drawn because of the current temperature rise causing the ice in the northern antarctic and so on and so forth to melt. it is reported that the ...
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4answers
282 views

Habitability of a planet with highly variable temperatures

The surface of the planet I have envisioned is almost entirely desert save for several city-sized "oases," or pockets of water, flora, and fauna that do not exist elsewhere. The temperature ...
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3answers
151 views

How to maintain container temperature for as long as possible?

I have two magical stones. The first one—let's call it fire stone—is a stone that able to increase its temperature equal to that of a normal fire. The second one—as you might already guess, is the ...
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4answers
90 views

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
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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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3answers
259 views

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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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
118 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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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
92 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
132 views

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
125 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
83 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
278 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
199 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
270 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
312 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....