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is space really a vacum?

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posted on Jun, 28 2009 @ 05:26 PM
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if space is really a vacuum?..
if you make a hole in your spaceship or spacesuit we are told all the air will be sucked out..
so why doesn't the vacuum suck away earths atmosphere and the atmosphere from all other planets...
im thinking space is full of another gas , a space atmosphere ...

feel free to kick and punch my idea.....




posted on Jun, 28 2009 @ 05:31 PM
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Its because the atmosphere is being held onto earth. Also, the air on earth isnt compressed like it is in a space ship. The air isnt being "sucked" out . The Space "air" is coming in, pushing the oxygen out. Or, the oxygen is just escaping. For it to be sucking out, it would have to be suck out to a central point. This central point has to cause the pull of air inside the ship to outside of it. just my opinion. I have never really thought about it before.

-Shadow



posted on Jun, 28 2009 @ 07:34 PM
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Well, I BARELY understand any of that stuff myself, but just think of Interstellar Clouds, but stretched out with less particles per cubic foot, as visibility increases.




The interstellar medium begins where the interplanetary medium of the Solar System ends. The solar wind slows to subsonic velocities at the termination shock, 90—100 astronomical units from the Sun. In the region beyond the termination shock, called the heliosheath, interstellar matter interacts with the solar wind. Voyager 1, the furthest human-made object from the Earth, crossed the termination shock on 2004-12-16 and may eventually enter interstellar space, providing the first direct probe of conditions in the ISM (Stone et al. 2005).



If you really want to get tripped out, try and study the composition of the spiral arms of the milky way, and even better, the stars behind the Zone of avoidance


[edit on 28-6-2009 by drsmooth23]



posted on Jun, 28 2009 @ 08:23 PM
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reply to post by ShadowLife
 


You are close, it has to do with the pressure equalizing between the 2.

Same principle that causes wind. The wind travels from high pressure areas into lower pressure areas.

So the higher pressure in the ship as you mention goes towards the lower pressure in space, which creates the vacuum.



[edit on 6/28/2009 by badmedia]



posted on Jun, 28 2009 @ 08:41 PM
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It is not a perfect vacuum, like the kind they make in laboratories when they do experiments.



posted on Jun, 28 2009 @ 09:08 PM
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Originally posted by fatdad

so why doesn't the vacuum suck away earths atmosphere and the atmosphere from all other planets...


Quite simply, because the atmosphere has mass and gravity holds it down. The further you get from the surface, the thinner the air, until there is none.



posted on Jun, 28 2009 @ 10:38 PM
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Originally posted by JaxonRoberts

Quite simply, because the atmosphere has mass and gravity holds it down. The further you get from the surface, the thinner the air, until there is none.


That is true. Helping to make it clearer. Think of air molecules as bouncy ping pong balls, bouncing forever off the Earth and bouncing back due to gravity. Some bounce fast, some slow. So only the fastest can reach the highest bounce...

That's almost the way air behave that's why the air is thinner up than down and MAGICALLY don't escape for no reason. Although the Earth's magnetic field is rumored to leak our atmosphere slowly....

But if outer space is empty? No, plenty of diffuse hydrogen and electrons, but it's so thin that pressure is negligible, that's why it's almost as good as vacuum and you still need a space suit. Cheers!


[edit on 28-6-2009 by ahnggk]



posted on Jun, 28 2009 @ 10:44 PM
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I read once that space isn't a true vacuum.

As in, it has properties a true vacuum shouldn't have.



posted on Jun, 28 2009 @ 10:50 PM
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reply to post by fatdad
 


Space is in a vacuum, not a vacuum itself. You see, when there is a lot of space, mass plays a roll as a, say, giant bowling laying on top of a giant sheet of rubber--and that's space. And then there's this dude named Issac Newton that calculated how the planets move and such....



posted on Jun, 29 2009 @ 07:18 AM
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thanks for the reply's.. i wonder if the stuff space is made of reacts with the oxygen in the earths atmosphere to make ozone?....



posted on Jun, 29 2009 @ 07:23 AM
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I think in terms of a vacum that its real .. but only has to do with pressure..

like a poster pointed out gravity plays a role on earth but in space we can see gas so what is it in fact being sucked into?

its about pressure


space is very much FULL!! we should know we live inside it



think about water.. what happens when gas is put under megga pounds of pressure?

Same thing for space



posted on Jun, 29 2009 @ 07:24 AM
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reply to post by pluckynoonez
 


ok totally off topic here

megan fox is HOT !!


haha sorry


[edit on 29-6-2009 by symmetricAvenger]



posted on Jun, 29 2009 @ 07:25 AM
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reply to post by pluckynoonez
 


correct.. space is not moving just the matter inside of it is..

Kinda crack pot but hey it works for me lol



posted on Jun, 29 2009 @ 07:38 AM
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Originally posted by fatdad
if space is really a vacuum?..


It's a vacuum, just not a perfect vacuum.



if you make a hole in your spaceship or spacesuit we are told all the air will be sucked out..


All of the air will be pushed out because it is pressurized on the inside in relation to the outside.



so why doesn't the vacuum suck away earths atmosphere and the atmosphere from all other planets...


It does (although it's not exactly sucking it)

"Science never sucks. It can push and pull, but it never sucks"

Earth loses an average of 2 kilograms of atmospheric gas every second. This may sound like a lot, but at this rate the sun will exhaust all of it's fuel before the earth loses it's atmosphere.



posted on Jun, 29 2009 @ 07:48 AM
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reply to post by trace_the_truth
 


well said sir! star for you!

all about pressure well not all but plays a big part! more so with spaceships and so on



posted on Jun, 29 2009 @ 07:49 AM
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Originally posted by fatdad
thanks for the reply's.. i wonder if the stuff space is made of reacts with the oxygen in the earths atmosphere to make ozone?....


Ozone is actually created from sunlight on oxygen molecules in the atmosphere. UV light splits oxygen (o_2) into individual oxygen molecules (0_1), and each free molecule then collide with other (0_2) molecules to form ozone (0_3).

This is similar to ozone depletion from CFCs. Sunlight breaks apart CFCs and frees up the chlorine molecules which are then free to attach to ozone (0_3), which knocks off an oxygen molecule from that, resulting in in one (O_2) oxygen molecule and one molecule of Oxygen and chlorine. When another free oxygen molecule hits this molecule, it results in another (0_2) oxygen molecule and the chlorine molecule is then free to do it all again.

Our atmosphere is very much a dynamic place and the chemicals we release into it just add to the chemical soup up there and modify it in many ways.



posted on Jun, 29 2009 @ 07:58 AM
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reply to post by fatdad
 


Well since you asked.

Heres another question that ties into the answers given so far.

Where does the air go, as in where does it stop.

Probably a daft question but a question none the less and I had a crap physics teacher.





posted on Jun, 29 2009 @ 08:04 AM
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reply to post by XXXN3O
 


well the thing is it does not in fact Go any were


it just gets transformed from the word AIR ie the mix of the crap we breath in and out.. into just being a partical in the vastness we call space..

its always been here! its just you cant see it..

much like yourself


you was dead be for you was alive.. but the fact you are here proves that something is making LIFE

just got to look at it in a crazy way


most people who think they are sane start wars


that scares me more than anything

just wanted to also say good question
gave you a star for furthering the thread in a positive way


[edit on 29-6-2009 by symmetricAvenger]



posted on Jun, 29 2009 @ 08:58 AM
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Originally posted by symmetricAvenger
reply to post by XXXN3O
 


well the thing is it does not in fact Go any were


it just gets transformed from the word AIR ie the mix of the crap we breath in and out.. into just being a partical in the vastness we call space..

its always been here! its just you cant see it..

much like yourself


you was dead be for you was alive.. but the fact you are here proves that something is making LIFE

just got to look at it in a crazy way


most people who think they are sane start wars


that scares me more than anything

just wanted to also say good question
gave you a star for furthering the thread in a positive way


[edit on 29-6-2009 by symmetricAvenger]


So the vacuum breaks everything down to its single components, atom.

If this is the case, then why does the earth fail to break down?

It has an atmosphere that contains mass as some of the above have pointed out coupled with the effect of the mass of the other planets in the solar system including the sun we have a functioning solar system held together and in place by each other. Also noted that the earths atmosphere is disappearing but at a rate that will take a large number of years before it really poses any worry.

Assuming thats correct.

Nasa is currently blowing 350 tonnes of rock off the moon in a search for water. This is also one of the theories for solving global warming, ie blow enough off and the earths orbit will shift into a better position.

Wouldnt blowing up part of the moon in this case result in every other planet shifting because of the earths shift along with the moon, ultimately leading to a scenario similar to this?



Afterwards and im talking seconds here, I dont know exactly how many, there might be something like this if you take this as our universe.



Resulting in absolutely everything returning to atoms and presto.

Back to the start



Im off to have a nosebleed now



note - slightly tongue-in-cheek mixed with sarcasm here but serious as well



[edit on 29-6-2009 by XXXN3O]



posted on Jun, 29 2009 @ 10:33 AM
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I have a good question.

How could the astronauts jump up and land again on the Moon if the Moon dont produce a atmosphere?
But in space they float freely.

If the Moon dont produce a atmosphere it would mean the moons surface is the same matter as space it self. But then if a astronaut jumps on the moon he shouldn't be able to land again?

If you go out side and pic up a rock and drop it... i bet it will hit the ground because of the atmosphere between it and the ground.

[edit on 27.06.08 by spy66]



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