Uranus ?

what kind of LIFE could we expect there IF there was real life ?

Hairy Humans in a cave eating meat ? or what

Where's the conspiracy?

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There is a conspiracy but I do not have time to talk about that tonight it would take 2 pages to get it all out

But now there is a question it was about if there was life on Uranus what kind of life would be on that planet ?

Hairy humans in caves ? Or some kind of animal not known to science ?

Uranus retains the coldest atmospheric temperature in the solar system. Since it is mostly hydrogen and helium (with methane and ammonia ices) I don't see any kind of possibility for life.

I mean, at its warmest it only gets up to 49 Kelvin.

What observations have lead you to believe that there is, or could be life on Uranus?

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I think it's a joke, the old schoolboy play on words.

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I've mentioned this before, but sci-fi writer Isaac Asimov (who was a Professor of BIOCHEMISTRY) wrote an essay in the '60s outlining what kind of lifeforms might theoretically exist on every planet from Mercury to Pluto.

(Its not on-line anywhere - his estate still has all his work tied up - so you'll have to go looking through this science essay books at the library...)

I was just asking what kind of life could be on that planet . Also 49 Kelvin is not that cold with a good Sub Zero suit ..

I think to much cold air is no problem for producing life as long as its adapts to .

TRUTHisnotfacts, what is 49 Kelvin in Fahrenheit, and in Celsius?

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49 Kelvin is -387.670 F

A life form has to advance quite a bit before it can start making things like sub zero suits.

Modern Humans, with enough money and resources put into it, might be able to find a way to live there - but for native life to exist there... that's another story.

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Perhaps a really, really hairy human.

49 Kelvin is probably the temperature near th surface of the atmosphere with much hotter levels of atmosphere nearer the planet's center. The habitable zone with respect to temperature should exist less than 1000 kilometers below the atmosphere's surface.

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My understanding is that planet is a gas giant, (let me know if this is wrong), the only life form that could exist would be at bacteria level, and we do know that on Earth we have found microscopic life in some extreme environments but I would think that past Mars - no chance

Plus what is the level of radiation? - What did Voyager II find out on that issue

Is there an actual surface, assuming it is a gas giant.

Even if humans could make it out there, the gravity well might also be an issue.

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NASA found these little fellas there

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True, but at what pressure? I don't want to be a spoil sport but these are temperatures of liquid nitrogen and liquid oxygen.
If there is life (I'm not ruling out) then it has a totally different biochemistry if it is based on chemistry at all. And due to the low temperature the chemical reaction rates will be pretty slow which in turn might give rise to very slow life with a low metabolic rate. Would be interesting to communicate with a being that takes a day to say hello.

Gourhead, where did you get your motto from? I like it.

Extracelestial

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It's kind of a gas giant, but not exactly like Jupiter or Saturn. I think Uranus and Neptune are considered to be more like "ice giants." There's also the possibility that it has a dense, icy or rocky core.

But it isn't so much the low temperatures as it would be the small list of available chemicals that would make life difficult to emerge. Ammonia would have to replace liquid water as a solvent, and I'm not really certain if folding proteins, nucleic acids, and peptides could even realistically develop under those types of conditions. Amino acids could be condensed to form polypeptides which could be fair analogs to what we have on earth, but I have no idea what specific process would permit that to happen.

49 K isn't its warmest. It has a mean of around 53 - 57 K.

Either way, be sure to bring a jacket...

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No it would not : http://www.universetoday.com/guide-t...ity-on-uranus/

Thanks for that, I stand correct on that point

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Gag only works with the old pronunciation yoor-AIN-uss as opposed to the modern YOOR-uh-nuss.

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Sure, but when was a schoolboy ever stopped from making leery jokes by something like correct pronounciation?

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This is similar to the post by TINF Life on Pluto.

Granted that Uranus has atmosphere where as Pluto does not, but the liquid hydrogen, helium and methane would not be much of an atmosphere to support life. Also there is no surface. The atmosphere simply blends down into a fluid. It is agreed upon that once the atmosphere reaches 1 bar that you have reached the planet area. With the temperatures reaching 37k there is no way life would survive.

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Since it's gaseous, it would have to be a type of "floater" or something like that. It couldn't be too deep in the clouds because it gets too hot down there. It might float at exactly the correct altitude so the temperatures were comfortable for life. But although organic molecules could survive there, it's hard to imagine them combining into cells because in the gas they'd be very diffuse.

Also, TINF, you should give more thought to the ORIGINS of life on each planet. Think about how someone at the astrobiology institute might think: in terms of primordial chemicals, planetary conditions in past and present, and knowledge of biology. For example, I think your statement about cold air being no problem for producing life as long as it adapts is not a logical statement. Because, the cold air might have been too cold for the life to have ever started on Uranus, and then it could not have ever adapted. Think of a bacteria on earth. Where did it start on earth, did the first bacteria evolve at the north pole? No. Probably at the equator or tropical regions. Now this same bacteria could later in history be moved to the polar regions and adapt then.

Getting life started in the first place is harder than life then adapting to environmental changes.

in that case, i'm going to say that Klingons live on or near Uranus..

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I belive this reflects my toughts about it, thanks Frog march.

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