Does heat from a spaceships engine radiate away in space? | AskScience Blog

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Monday, December 9, 2019

Does heat from a spaceships engine radiate away in space?

Does heat from a spaceships engine radiate away in space?


Does heat from a spaceships engine radiate away in space?

Posted: 08 Dec 2019 02:12 PM PST

Say I built a nuclear powered spaceship in my back garden, and could fly around Earth just fine. Would the engines / reactor cook me inside the cabin once I reached space, as the heat generated has nowhere to go?

edit. This post really took off (ha!) Appreciate all the replies and discussions it's generated!

submitted by /u/Chris_RandomNumbers
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How big can the "Goldilock" zone be and can multiple planets inhabit it to the point where the planets are similar?

Posted: 08 Dec 2019 08:41 PM PST

What in rubber's structure allows it to stretch?

Posted: 08 Dec 2019 08:01 PM PST

What is natural rubber composed of on a molecular level that allows it to stretch?

submitted by /u/al1628
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What for us Earthlings is different when our planet is in the leading vs the trailing edge of the heliosphere?

Posted: 08 Dec 2019 06:45 PM PST

I have a question about Deer Breeding, can a Whitetail Breed with a Reindeer?

Posted: 08 Dec 2019 08:46 PM PST

As stated in the title I would like to know if it's possible, I don't know what they use them for or what their point is, but I know a Deer Breeder and although I may pop the question in a few months when I see them I would like to know if they are at least compatable since both technically live in Canada.

Edit: and yes I know there are sub species, only three species of Whitetail live in Canada. I'm just asking as a whole.

submitted by /u/brookhal
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How are gasses weighed?

Posted: 09 Dec 2019 12:04 AM PST

I tried searching it up on Google but all the answers were just saying to weighing it in a container. If you try to weigh something like helium surely this wouldn't work because it would just be floating in the container right?

submitted by /u/projectaskban
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Is there a tendency for planets or large stellar bodies to rotate clockwise or anti-clockwise? If so why?

Posted: 08 Dec 2019 07:01 PM PST

If you had a plank or a rod of some sort 1 light year long, and you pushed it, wouldn't you have caused information(movement of said plank or rod) to move faster than light?

Posted: 08 Dec 2019 10:37 PM PST

What happens to the heavy elements created during a kilonova?

Posted: 08 Dec 2019 11:54 AM PST

That is, when it's expelled at great speeds, where does it go? What happens to it? Are there chunks of metal just flying through the vast expanse of space, endlessly? Are these considered asteroids?

submitted by /u/MaelstromNyxus
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Could I use non-newtonian fluids in my Bong pipe?

Posted: 08 Dec 2019 04:59 PM PST

In a thc filled moment, I was wondering if, for instance, starch water could be used in my bong instead of water. Would it still work as a pipe? would it filter anything?
I theorized it would make it easier to keep clean and, given the viscosity of the mix, would almost eliminate splash and return of water outside the pipe.
I have been looking online to no avail. I do not possess the ability to understand "Turbulent Pipe Flow of Non-Newtonian Fluids"( the only work I found on the subject) and also do not want to make an experiment that might damage the only Bong I own. Any information is appreciated.

submitted by /u/Espadajin
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