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Forum » SpaceEngine » Off-topic Discussions » Totally off-topic thread (Talk about anything.)
Totally off-topic thread
WatsisnameDate: Thursday, 11.12.2014, 06:51 | Message # 2686
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Venusian atmospheric temperature profile
Pressure profile

Venus has an altitude where pressure and temperature are comparable to Earth's surface, but it is below the cloud tops. So sulfuric acid would be an issue.

Venusian surface temperature: ~740K
Surface pressure: 90atm (~91 bar)

Which of these kills you first? Depends. How do you get there?

If "teleported instantly", then the pressure does. Not because it crushes you. 90atm isn't that much -- it's comparable to being about 900m below the ocean surface. Human body can manage this without much issue. The problem of humans in hyperbaric environments is not the compression, but the gas toxicity.

But humans are rarely subjected to those pressures instantly. So if "teleported instantly", then it's a different effect that is important to your demise: the shockwave (over 1000psi!) ripping through your throat, sinuses, and lungs. Think the reverse of explosive decompression.

Otherwise, the temperature gets you first, before any other effects of high pressure. 740K is very hot, producing 3rd degree burns in less than a second, and carbonizing vital tissues shortly thereafter.





 
DoctorOfSpaceDate: Friday, 12.12.2014, 19:36 | Message # 2687
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Intel Core i7-5820K 4.2GHz 6-Core Processor
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WatsisnameDate: Friday, 12.12.2014, 20:13 | Message # 2688
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Aww, I was expecting the troll to free himself of his fairytale shackles and live happily ever after under the sun. Maybe even move to Tahiti or something. Nope. Troll turned into rock statue. So sad. sad




 
midtskogenDate: Friday, 12.12.2014, 20:34 | Message # 2689
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The Troll Hunter explains why trolls turn to stone or crack in sunlight. From the imdb FAQ:

Quote imdb
Thomas interviews a veterinarian who works for the TSS and learns that the trolls' adverse reaction to sunlight is due to their inability to convert vitamin D into calcium, which causes their bodies to overreact. Gases are formed in their stomachs and forced into their intestines and veins, causing young trolls to explode. In older trolls, whose veins have become more constricted, the expansion occurs in the bones, everything calcifies, and they turn to stone. Either way, it's a very painful process and the reason why trolls only come out at night.





NIL DIFFICILE VOLENTI


Edited by midtskogen - Friday, 12.12.2014, 20:36
 
RockoRocksDate: Monday, 15.12.2014, 19:49 | Message # 2690
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I will be inactive on this forum for the time being. Might come back eventually

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spacerDate: Wednesday, 17.12.2014, 07:02 | Message # 2691
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http://yummyplants.com/wp-content/uploads/2011/12/Happy-Hanukkah.jpg




"we began as wanderers, and we are wanderers still"
-carl sagan

-space engine photographer
 
HandbananaDate: Wednesday, 17.12.2014, 08:37 | Message # 2692
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From a satire page on Facebook:








Tonight... you.
 
RockoRocksDate: Thursday, 18.12.2014, 18:25 | Message # 2693
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I will be inactive on this forum for the time being. Might come back eventually

AMD AR-3305M APU w/ Radeon HD 1.90 GHz 6,00 GB RAM
 
SalvoDate: Thursday, 18.12.2014, 20:08 | Message # 2694
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Cool!

Attachments: 4426040.jpg(42Kb)





The universe is not required to be in perfect harmony with human ambition.

CPU: Intel Core i7 4770 GPU: ASUS Radeon R9 270 RAM: 8 GBs

(still don't know why everyone is doing this...)
 
WatsisnameDate: Thursday, 18.12.2014, 22:08 | Message # 2695
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Yeah, well, my number of days wasted on facebook is a whopping great big unfathomable zero.

Boom. Jazzhands. hashtag brag





 
spacerDate: Thursday, 18.12.2014, 22:50 | Message # 2696
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Give me the link!! I want to see how much years i spent there! Hehehe




"we began as wanderers, and we are wanderers still"
-carl sagan

-space engine photographer
 
FireintheholeDate: Wednesday, 24.12.2014, 08:50 | Message # 2697
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Merry Christmas everyone! yes




Love SpaceEngine!
 
midtskogenDate: Wednesday, 24.12.2014, 10:35 | Message # 2698
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My meteor observing is of course secondary to the prime purpose: to document scientifically how Santa does it (that's my chimney).

God jul!

Attachments: 0483662.jpg(134Kb)





NIL DIFFICILE VOLENTI


Edited by midtskogen - Wednesday, 24.12.2014, 10:37
 
Joey_PenguinDate: Wednesday, 24.12.2014, 18:13 | Message # 2699
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Careful. The PLATT Collective has spurs.

Edited by Joey_Penguin - Wednesday, 24.12.2014, 18:14
 
DoctorOfSpaceDate: Wednesday, 24.12.2014, 20:42 | Message # 2700
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Happy non-denominational holiday






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Forum » SpaceEngine » Off-topic Discussions » Totally off-topic thread (Talk about anything.)
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