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Thread: Why does our galaxy spin one way...

  1. #1 Why does our galaxy spin one way... 
    Forum Cosmic Wizard icewendigo's Avatar
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    ...and not the other way?


    is it due to a possible spinning of the universe or is there something within the galaxy (massive black hole spinning) or is the direction pure chance?


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  3. #2  
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    It is by chance. (Unless you believe that there is a "southern hemisphere" universe where things spin it the opposite direction.)


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  4. #3  
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    which way are we spinning? isn't everything spinning the same way, but it depends on which side you view it from?
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  5. #4 Unknown 
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    It might be because of that mysterious partical Dark Matter or maybe it is because Dark Energy whatever they call it that is supposedly increasing the rate of our Universes expansion. So I figure must have something to do with that or gravity. Maybe the nearest galaxy Andromina(SP: Know it starts with an A not to sure what the name is though) is infulencing the rotation.
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  6. #5  
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    I suspect that the galaxy spins the way it does as a result of the direction the black hole in the center is spinning.
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  7. #6  
    Forum Cosmic Wizard icewendigo's Avatar
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    Black hole: I like that idea, but I would assume the black hole might have needed to be pretty big right from the start...

    ...does anyone know if black holes were created right from the begining of the bigbang (maybe these primal blackholes are what attracted the galactic matter initially?)

    "which way are we spinning?"
    Yes, indeed it depends which way we are viewing it


    Btw, how do we know the universe isnt slowly spinning?

    Universe's Southern hemisphere, it sounds crazy, but I'd have to tally them(or see a study) and see that there is no rotational pattern to put the idea in the basket.

    On the otherhand Im still not convinced (sorry my brain cant get to that level) the universe we observe is remotely the size of the whole universe (I cant understand why it could not be a gazillion times larger than the edge of the most distant galaxies we can percieve)
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  8. #7 Keeps me up at night 
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    The precivable Universe and the actual Universe are proably vastly diffrent where size is involved the Universe we can see is mesured by the most distant galaxys that are active I assume that the Universe is actually much larger but nothing is really going on so we can not detect what we can not measure.

    Of course I am not that smart and even little things like this confuse me.

    Also I assume that black holes that are now at the center of galaxys are from around the time of the Big Bang and now due to massive feeding they have grown supermassive. And due to thier large gravational force they have gathered stars and other matter to eventually form a galaxy. So I guess I think you are right.
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  9. #8  
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    You must also understand that the initial velocities of all the matter in a galaxy average together over time to determine the direction. If it spins to the right instead of the left, it's because more matter was moving to the right initially.

    The gravitational interaction between the matter moving one way and the matter moving another way causes all the matter to finally end up moving in one direction together.
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  10. #9  
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    The other day i had a thought. I was thinking that perhaps black holes were around at the time before the Big Bang. When one of them gets too large through perhaps the convergence of other black holes it explodes releasing all of it's innards. These innards, which we call matter, then conglomerate close to other black holes and form galaxies. Eventually the black hole sucks all of the matter in and then the process begins again once that black hole gets too large. Just a crazy idea. I'm completely full of them.
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  11. #10  
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    That's a very interesting possibility. Since the black hole at the center of each galaxy is only approximately 5% of the galaxy's total mass, the rest of the matter could have caused the black hole to be dragged along with it, which would explain why whole galaxies obey Hubble's red shift rule.
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