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Globular Clusters

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jaehacker

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Just wondering,,, if Sigma is the ratio of the size of a black hole to the speed of the outer stars in a galaxy, do Globular Clusters have black holes? And if they do, why are they not spirals?
 
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tfwthom

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Globular Clusters are part of our Milky Way Galaxy. They float above and below the galactic plane. They have a Black Hole.....the same one that is in the center of our galaxy.<br /><br />There is/was a thought that globular cluster got togather to form galaxies.<br /> <div class="Discussion_UserSignature"> <font size="1" color="#3366ff">www.siriuslookers.org</font> </div>
 
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kyle_baron

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<font color="yellow"><br />They have a Black Hole.....the same one that is in the center of our galaxy. </font><br /><br />They also have one inside the cluster itself. They're called mid-sized blackholes. They're between 10-100 solar masses (from a Sky and Telescope article a few years ago).<br /> <div class="Discussion_UserSignature"> <p><font size="4"><strong></strong></font></p> </div>
 
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