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Thread: how big??

  1. #1
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    Default how big??



    this has been posted here some time back
    but i thought i would re-post it for the benefit
    of the new members over the last few months,
    to show just how big our universe really is.
    and also to show how small in comparison our
    own solar system and sun actually are.
    enjoy!!
    <object style="height: 390px; width: 640px"><param name="movie" value="http://www.youtube.com/v/2FwCMnyWZDg?version=3"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/2FwCMnyWZDg?version=3" type="application/x-shockwave-flash" allowfullscreen="true" allowScriptAccess="always" width="640" height="390"></object>
    clear skies,

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    andy

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  3. #2
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    Default

    I always liked that video-- and sometimes show it as an intro to our Beginner Astronomy classes.
    ETX 125PE, Stellarvue 80mm BV & Televue TelePod tripod,
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    ..... plus a bunch of ham radios... Ham radio call sign - W1XWX

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    TelescopeMan Web Site

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    search for W1XWX to see my amateur radio web site

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    Default

    i show it to people on a regular basis.
    kinda blows their mind when they actually see
    how big things get out there.
    i have another one that tells you it would take
    1100 years to to fly a commercial airline jet around
    the circumference of vy canis majoris!!!
    that really blows em away.
    clear skies,

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    andy

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  6. #4
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    Default

    this one joe.
    <object style="height: 390px; width: 640px"><param name="movie" value="http://www.youtube.com/v/fKTu6B4Rgek?version=3"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/fKTu6B4Rgek?version=3" type="application/x-shockwave-flash" allowfullscreen="true" allowScriptAccess="always" width="640" height="390"></object>
    something missing?
    clear skies,
    Last edited by andyp180; 06-20-2011 at 05:35 PM.

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    andy

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    Default

    I may not be the center of the Universe...but I am the center of my Universe.
    I am still the only show in town...
    They are both excellent videos Andy...Cheers mate..
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  10. #6
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    Default

    It still boggles my mind that no matter which direction one is to look through a telescope, if it is powerful enough, you will see evidence of the big bang. I wonder whether instead of dark matter existing, the bulk of the universe is beyond our ability to see it.
    Bob DeWoody

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    Default

    Quote Originally Posted by Modlerbob View Post
    I wonder whether instead of dark matter existing
    Dark matter definitely exists. The evidence of it is unmistakable and measurable, to the point where we can say, "This galaxy has more dark matter than that galaxy." They are still arguing about exactly what it is, but not about whether it exists.

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    Default

    OK another thought that boggles my brain. Supposing you had a computer program that has charted the location of every galaxy that has been seen in the Hubble super deep field survey and then cut a plane through it say using the plane defined by the orbit of the earth around the sun. Then looking down from above that plane where would the galaxies that are billions of light years back in time that we see, be now? Where have they gone since the time frame that we see them in now.
    Bob DeWoody

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    Default

    Quote Originally Posted by Modlerbob View Post
    where would the galaxies that are billions of light years back in time that we see, be now?
    Same direction, but farther away.

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    Default

    For some reason Andy..this link is no longer working
    Could have something to do with the change over recently..
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