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Thread: Star clusters

  1. #1
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    Default Star clusters



    From an astrophysics perspective I have a question and it is this. Are star clusters uniform in their properties of magnetic field, origin...stuff I don't even understand but I'm wondering if there is a uniformity to them that explains their existence or are they just a an artifact that we don't really care about how they came in to be they're just there to look at?
    Sorry for this sonewhat nebulous question. I have no arguement. I am simply interested in knowing if there is something to know.
    :-)
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    ES 80 Apo

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    Default Re: Star clusters

    Ok. I Should have looked in wiki first. Sorry. I found my answer. :-)
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    Default Re: Star clusters

    Would you care to share?

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    Default Re: Star clusters

    Well, so far I discovered there are open clusters and they are not as dense and have fewer stars in them. Globular clusters are much more dense and the have many more stars.
    Open clusters...if I understand correctly...are on the same plain...open clusters supposed to be 30 light years across...they have a few hundred stars. They are younger than globulars. I observed M44 last night and M44 is an open cluster. Nothing spectacular here...Learning is the best part of any activity. I know so little about this subject I am sure I will never run out of things to pursue.
    The gravity is supposed to be different in open clusters. Less force. Globulars are more dense and stuck together.
    You know all this...but it is fun for me to tell it.
    Thank you not-Fritz for asking.
    I also found an article about Messier and his list with all the galactic addresses. Cool stuff.
    But this is probably not really astrophysics. Should have put this question in beginner forum.
    I do like reading the threads here though.
    Thanks again.
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    Default Re: Star clusters

    Not a worry about posting here. If you have a question here is as good a place to ask as any. A very important aspect of clusters is that since they are made of stars formed at the same time they allow us to test our ideas of how stars age.

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    Default Re: Star clusters

    As far as open clusters goes Beehive (M44) is one of the most spectacular out there. But I can see how moon and sky conditions can wash out the details and make it dull looking. You should revisit when moon is not around.
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    Default Re: Star clusters

    Definately will revisit...many times... and yes Fritz...that was another thing I read...they are important because of what can be learned ...and I think a couple of them were triangulated and allowed ability to estimate distances...I think due in some way to the luminance of the ones that were triangulated...i could be mixing this up a bit.
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    Default Re: Star clusters

    The Hyades and Pleiades clusters can be measured directly by triangulation. More distant clusters have distances from luminosity based on the triangulation of Hyades and Pleiades.

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    Default Re: Star clusters

    Yes...that is what I was understanding but very poorly stated in what I said earlier.
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    Default Re: Star clusters

    Are star clusters really 'clusters'?? Or are they seen as clusters from our position on Earth ..e.g The Orion. We may make out the shape of a Hunter, but in fact, all the stars in that constellation are of different distances from each other. Just asking.

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