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Forum » SpaceEngine » Space Journeys » SuperEarth with super-thick atmosphere. (Halfway between terran and subjovian?)
SuperEarth with super-thick atmosphere.
smjjamesDate: Sunday, 02.09.2012, 16:38 | Message # 1
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I was looking around at planets when I found this one and noticed how high the atmospheric pressure was, and that's at sea level right?

Anyways, I just thought it was interesting because it has such a thick atmosphere.


Attachments: 5423924.jpg(276Kb)







Edited by smjjames - Sunday, 02.09.2012, 16:40
 
SpaceEngineerDate: Sunday, 02.09.2012, 19:24 | Message # 2
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Look at Gliese 581 c smile




 
smjjamesDate: Sunday, 02.09.2012, 20:04 | Message # 3
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Quote (SpaceEngineer)
Look at Gliese 581 c smile


Lol! That looks like something you might see normally in the depths of a large gas giant.





 
Donatelo200Date: Monday, 03.09.2012, 06:30 | Message # 4
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At the liquid layer of a gas giant which is it's "surface" the pressure is about 2 Million Earth atmospheres so this planet is a vacuum compared to a gas planet.




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AycemanDate: Monday, 17.09.2012, 21:20 | Message # 5
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This is the biggest pressure I've seen on a procedurally generated planet up to now:



Sadly, it's just short of "OVER 9000!!!!!"

The system is also very cool with a temperate planet and a nice view of an Sb galaxy. (right click -> view on image for full size)
 
umbrellacore444Date: Tuesday, 09.10.2012, 15:00 | Message # 6
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An atmosphere that thick is amazing - it wouldnt even have mountains - all rock - all the surface would be crushed down into a perfectly smooth surface !!!
 
R136a1Date: Monday, 21.01.2013, 06:00 | Message # 7
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"1844 Atm"
"Temperate terra w/ Life"
seems legit





Aliens, heh. Who would've thought? One day were Causing wars and another day were finding earths!

Edited by R136a1 - Monday, 21.01.2013, 06:01
 
Donatelo200Date: Monday, 21.01.2013, 06:25 | Message # 8
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Well here is mine. At over 9000 ATM with life! >:P

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LiveLife42Date: Monday, 21.01.2013, 21:03 | Message # 9
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This is just amazing IT'S OVER 9000. But in all seriousness life on here would be squished and be flat or it's all in the oceans.




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TimDate: Monday, 21.01.2013, 23:40 | Message # 10
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Yeah, I doubt Umbrella was right, it's too dense for lifeforms like ourselves, but I doubt mountains would give in to the pressure.
 
DisasterpieceDate: Tuesday, 22.01.2013, 00:35 | Message # 11
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Quote (Tim)
but I doubt mountains would give in to the pressure.


But the air would cause some serious erosion, maybe enough to smooth the surface to almost flat.





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WatsisnameDate: Tuesday, 22.01.2013, 03:08 | Message # 12
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Quote (LiveLife42)
This is just amazing IT'S OVER 9000. But in all seriousness life on here would be squished and be flat or it's all in the oceans.


Or underground. smile

Quote
But the air would cause some serious erosion, maybe enough to smooth the surface to almost flat.


Probably not; surface winds on planets with thick atmospheres are pretty benign.





 
apenpaapDate: Tuesday, 22.01.2013, 12:02 | Message # 13
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Even very weak wind would be amazingly strong, though. Venus' winds at the surface are slow, but strong enough to have force similar to Earth's storms due to the high pressure. (At least, this is what Wikipedia says; I can't read their referenced paper) On a planet with pressure yet a hundred times larger, the barest breeze could blow rocks away.




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Hasforjs97Date: Thursday, 24.01.2013, 16:09 | Message # 14
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Quote (LiveLife42)
or it's all in the oceans.

Maybe the lifeforms that we have got in the Mariana Trench, in this planet they are in the surface... biggrin

Quote (Ayceman)
planet

Lol at first I thought it was a star.





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Edited by Hasforjs97 - Thursday, 24.01.2013, 16:10
 
Gondor2222Date: Friday, 01.02.2013, 03:52 | Message # 15
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Quote (R136a1)
"1844 Atm"
"Temperate terra w/ Life"
seems legit

That's only about 2.2x the pressure at the bottom of Earth's Mariana trench. Even assuming chemistry similar to that on Earth evolution would probably have no problem creating small animals at that depth.

However...9000 atm is about 11x the pressure at the bottom of the Mariana trench. I don't know enough about pressure to make an informed statement here but it's possible this is too much pressure to support multicellular earth-like organisms. (It's also 9% the pressure required to pressurize elemental carbon into diamonds)
 
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