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Author Topic: Que l'effet cela avoir à la rotation de Terres, si chacun.  (Read 3856 times)

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Offline Kendo

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12 February 2014, 12:07:38
Ayant lu beaucoup de nouvelles mondiales récemment, j'avais un rêve étrange que chaque humain est monté à une tache sur la Terre.
Je mets, t savent où ou pourquoi.
Ma question est, que l'effet cela avoir à la rotation de Terres, si chacun.

(Prompt-Online translation)


Offline SolarLiner

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Reply #1 - 12 February 2014, 13:44:24
Mhh. Can you include the original text, please, because the french translation is ... not even a proper translation ...


Offline Kendo

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Reply #2 - 12 February 2014, 14:01:04
Having watched the world news a lot recently, I had a strange dream that all humans ascended to one point on the Earth.
I don,t know where or why.
Would this have any effect on the Earth,s rotation.?

P.S I need to find another translator program.


Offline antoo

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Reply #3 - 12 February 2014, 15:31:08
I think it will!

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"ET C´EST PARTI!!" Youri Gagarine au lancement de vostok 1 le 12 avril 1961

Offline SolarLiner

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Reply #4 - 12 February 2014, 16:22:55
Vsauce did a video on a similar thing: what if everyone on Earth jumped at once?
<a href="http://www.youtube.com/watch?v=jHbyQ_AQP8c" target="_blank">http://www.youtube.com/watch?v=jHbyQ_AQP8c</a>

I hugely recommend you to watch this video, but to answer your question, you change basically nothing.


Offline Fox-Terrier

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Reply #5 - 12 February 2014, 16:33:55
Having watched the world news a lot recently, I had a strange dream that all humans ascended to one point on the Earth.
I don,t know where or why.
Would this have any effect on the Earth,s rotation.?

P.S I need to find another translator program.

Mass of Earth : ~6e24 Kg (6*10^24)
Mass of 8 billions humans weighting 80Kg : 6,4e11 Kg

As you can see, humans represent a negligible weight compared to Earth

But still, what would happen if a certain amount of Earth weight would concentrate on one point ?

It is very likely that all this mass would sink in the ground, it currently happens with some towns

But if it doesn't, and that a much bigger mass would be concentrated on a distant point from the Earth, it could slightly shift Earth center of gravity, meaning that Earth would spin a bit differently on itself (think of the Earth Moon system)

Then again, Earth is liquid in the inside, and fluctuations and gravity shifts happens all the time


Offline Fox-Terrier

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Reply #6 - 12 February 2014, 16:45:01
Vsauce did a video on a similar thing: what if everyone on Earth jumped at once?

I hugely recommend you to watch this video, but to answer your question, you change basically nothing.

I thought it would be the end of the world :badsmile:
FF to T = 35s (if you watch on youtube you can activate the english subtitles)

<a href="http://www.youtube.com/watch?v=MfSjJuFF15M" target="_blank">http://www.youtube.com/watch?v=MfSjJuFF15M</a>


Offline antoo

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Reply #7 - 12 February 2014, 17:00:30
Ok, so it will not :badsmile:

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"ET C´EST PARTI!!" Youri Gagarine au lancement de vostok 1 le 12 avril 1961

Offline Kendo

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Reply #8 - 12 February 2014, 19:09:56
Yes, I suspected not a lot would happen.
Thanks Solarliner for the Video, very interesting, also Fox-terrier for the information and video, and to Antoo for your analysis.

« Last Edit: 12 February 2014, 19:20:46 by Kendo »

Offline antoo

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Reply #9 - 12 February 2014, 19:35:13
:badsmile:

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"ET C´EST PARTI!!" Youri Gagarine au lancement de vostok 1 le 12 avril 1961

Offline Kendo

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Reply #10 - 13 February 2014, 15:56:54
I have searched for a decent translator program and came across SYSTRAN online translator.
Would this be suitable for English to French.
As this is a French speaking website, I only feel it right to speak in French.
I know a lot of you speak English, and very well indeed.
I just feel uncomfortable speaking in English as it may offend some people.
Kind regards, Ken.

« Last Edit: 14 February 2014, 13:57:53 by Kendo »

Offline SolarLiner

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Reply #11 - 13 February 2014, 17:24:33
Well, there is a english part in there, so feel free to go there when your Molière is missing :)

I know that Google Translator does a not so bad job at translating english to french.


Offline Kendo

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Reply #12 - 13 February 2014, 17:31:08
Thanks. I thought the English forum was just for Orbiter related content, and not for general content.
That,s why I posted in the French forum.