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Ammonia World by Ittiz Ammonia World by Ittiz
I haven't posted anything in awhile so I did a rendition of a planet with ammonia as the solvent rather than water.

The ammonia oceans, if it were just ammonia, would probably appear blue just like water. However unlike water ammonia can dissolve alkaline earth metals as if they were salt. When this happens the color changes. Dilute amounts of metal give it a an intense blue color, slightly higher concentrations give it a gold bronze color as shown here.

The reddish orange color in the atmosphere is due to oxides of nitrogen (nitrogen analogs for oxygen). Like Earth the atmosphere is primarily diatomic nitrogen. Unlike earth it contains next to no free oxygen, but has nitrogen oxidizers. Most probably nitrous oxide, but it could be nitric oxide. It's hard for me to figure out which would be more likely.

The planet would be much colder than Earth so I depicted the vegetation as black to collect more light. Unlike water worlds like Earth, plants on ammonia worlds wouldn't need to deprotonate water molecules to get an electron for photosynthesis. This is because the dissolved alkaline earth metals release free electrons which can be used directly. This would free up photosynthetic plants to use a wider range of the spectrum. This would probably free up hundreds of millions, if not a billion, years of evolution for photosynthesizing cells. However overcoming the diatomic nitrogen build up would probably more than make up for time gained.

Finally ammonia clouds and ice are white just like water.
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:iconaquelion:
Aquelion Featured By Owner May 24, 2017  Student Digital Artist
It's increadible cool! I love the colors. I just full of imagine how the biosphere of such world would be like. :? (Confused) 

Also, in your representation is it carbon-based life or sometheng different like boron, phosphorus, sulfur, or even some nitrogen-hybrided form of them? I know that it is certanly can't be silicon-based, because much higher temperature is needed for complex chemical combinations what means that liquid ammonia just can't be sustain on the planet.

And how do you think what basis is better for high-advanced bioshere as the analogue of carbon for such low temperature ammonia planets? And how high the chance of evolving of sentient civilization on planet of this type? I'm interesting in these questions because I have an idea to create some model of such world for my own science-fiction project and I would like to made this in full according to hard scientific ground, as far as it's possible.

Anyway, thank you very much for your artwork! I will also be very grateful for your answers! =) (Smile) 
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:iconittiz:
Ittiz Featured By Owner Jul 22, 2017
Thanks.  I assume carbon based life.  Although the planet would be very rich in nitrogen compounds, kind of like earth being so rich in oxygen based compounds.  This has brought me to the conclusion that my image is probably not accurate.  I think ammonia worlds would be more likely to be warm high-pressure worlds (earth like temps and venus like pressures) rather than cold low-pressure worlds.  People critiqued the image with some pretty good points that helped me reach this conclusion.  The image would look the same pretty much, but with no ice.  

One of the reasons ammonia may be even better than water for a solvent for life is its ability to directly dissolve electrons.  This would simplify cellular functions, potentially giving ammonia based and evolutionary advantage over water based life.
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:iconaquelion:
Aquelion Featured By Owner Jul 25, 2017  Student Digital Artist
Thank you very much for the answer. It is very interesting and informative for me.
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:iconmechatherium:
Mechatherium Featured By Owner May 8, 2017  Student Digital Artist
What about an ammonia-water mix (saturated ammonia/water solution)?
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:iconittiz:
Ittiz Featured By Owner May 11, 2017
I've heard of the idea, never thought about doing that in an image though.
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:iconvumpalouska:
Vumpalouska Featured By Owner Feb 12, 2017
Also: saw this years on the Wikipedia article on alternative biochemistries :3
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:iconittiz:
Ittiz Featured By Owner Feb 14, 2017
has it been that long? wow...
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:iconvumpalouska:
Vumpalouska Featured By Owner Feb 12, 2017
Huh, this planet sure isn't pretty to human eyes. Blacks and browns. But for native beings of this ecosystem, the environment would no doubt look as beautiful as the Earth nature to humans. It's all relative.
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:iconittiz:
Ittiz Featured By Owner Feb 14, 2017
I've actually been thinking about doing a newer (probably more probable) ammonia world.  Based on some well thought out feedback I think a more likely ammonia world would be high temperature like ours, but high pressure (10 bars instead of 1) so the ammonia is still liquid and similar to water.  This would probably result is a faster biochemistry and more possibilities, for plant colors.  Although the ocean would probably still be a dark reddish color especially since it'd be even better at dissolving metals, it may even appear black from space, although have a black reddish color close up.
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:iconiluvonedirection1:
ILuvOneDirection1 Featured By Owner Jun 7, 2013
I could probably use this planet as a death chamber for Terran criminals so if they breathed on a planet like this, they would subsequently die.
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:iconiluvonedirection1:
ILuvOneDirection1 Featured By Owner Jun 5, 2013
My reaction is:
:iconsayniceassplz:
:iconshrekplz:
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:iconmikearclight:
MikeArclight Featured By Owner May 16, 2013
Wouldn't there be also be some abundance of methane in gaseous form? (NH3 vs CH4) Wouldn't that affect the atmospheric coloring? I honestly don't have an idea here; it's just that both are simple organic molecules, and since your planet is obviously a rocky body (accounting for the carbon) and the obvious abundance of hydrogen, I just figured that methane would be the analog here to Earth's oxygen (percentage wise, I mean).
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:iconittiz:
Ittiz Featured By Owner May 17, 2013
In the image I made the oxygen analog would either be nitrous or nitric oxide. Both of which methane would burn in. Methane may probable would have been abundant in the early atmosphere, as it was with earth, but after oxides started to be produced in large quantities the hydrocarbon compounds in the atmosphere pretty much all reacted.
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:iconiluvonedirection1:
ILuvOneDirection1 Featured By Owner Jun 7, 2013
So you could still breathe even on an ammonia world?
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:iconittiz:
Ittiz Featured By Owner Jun 7, 2013
Only if you'd like a quick painful death. Breathing in Earth would probably kill Ammonia life forms as well, if they didn't fry to a crisp first.
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:iconbellehades00:
BelleHades00 Featured By Owner Jun 15, 2013
You know that nitrogen oxide can refer to a binary compound of oxygen and nitrogen, don't you?
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:iconittiz:
Ittiz Featured By Owner Jun 15, 2013
yep
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:iconiluvonedirection1:
ILuvOneDirection1 Featured By Owner Jun 7, 2013
I know that an ammonia world would have very little oxygen, but I could probably use an ammonia world as a death chamber for human criminals so if they breathed on an ammonia world, they would either subsequently die or get eaten by ammonia lifeforms as their penalty.
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:iconiluvonedirection1:
ILuvOneDirection1 Featured By Owner Jun 7, 2013
I wouldn't.
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:iconmikearclight:
MikeArclight Featured By Owner May 17, 2013
Makes sense; I was just wondering if the planet's atmosphere was a solution like our own, or if it was, for all intents and purposes, homogenous.
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:iconiluvonedirection1:
ILuvOneDirection1 Featured By Owner May 3, 2013
I will name this planet Delta Orpheus B.
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:iconthespunk3d:
TheSPunk3d Featured By Owner Apr 23, 2013  Hobbyist Digital Artist
This looks really cool. Very alien in appearance.
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:iconittiz:
Ittiz Featured By Owner Apr 24, 2013
Thanks, you're stuff is great too.
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:iconiluvonedirection1:
ILuvOneDirection1 Featured By Owner Apr 17, 2013
Ammonia is actually a colorless gas.
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:iconittiz:
Ittiz Featured By Owner Apr 23, 2013
Read the caption, I explain my rational for the appearance there.
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:icongroovychk:
groovychk Featured By Owner Jan 17, 2013  Hobbyist Digital Artist
Good to see you again :) Good job!
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:iconittiz:
Ittiz Featured By Owner Jan 21, 2013
Thanks!
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:iconteoma-the-naraotor:
Teoma-The-Naraotor Featured By Owner Jan 12, 2013  Student General Artist
Wow awesome works I love it so ! :wow:

That could be amazing if you made a Terraformed version of Titan ?
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:iconittiz:
Ittiz Featured By Owner Jan 12, 2013
Thanks.

I've considered doing Titan on a few occasions. Although Titan could theoretically be a world with indigenous life. Since the cold life processes would happen extremely slowly on Titan. There would probably only be microbial life. So complex life could probably never evolve on titan because the life span of the sun is too short. You'd need a longer lived star like a red dwarf. I suppose you could terraform it with engineered multicellular life.
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:iconteoma-the-naraotor:
Teoma-The-Naraotor Featured By Owner Jan 12, 2013  Student General Artist
Well I am amazed of your knowledge :wow:

Then you have my personnal attention on your works cause I love the idea of Terraformed world ;-)
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:iconittiz:
Ittiz Featured By Owner Jan 12, 2013
Thanks, I'm a molecular biologist with an interest in asterobiology :)
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:iconteoma-the-naraotor:
Teoma-The-Naraotor Featured By Owner Jan 12, 2013  Student General Artist
Oh I see he he :D wish you good luck in your next works ;-)
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