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I thought you might be interested in looking at ثقب أسود يوقف تشكيل النجوم في المجرة M87..
http://forum.qasweb.org/index.php?/topic/9497-%D8%AB%D9%82%D8%A8-%D8%A3%D8%B3%D9%88%D8%AF-%D9%8A%D9%88%D9%82%D9%81-%D8%AA%D8%B4%D9%83%D9%8A%D9%84-%D8%A7%D9%84%D9%86%D8%AC%D9%88%D9%85-%D9%81%D9%8A-%D8%A7%D9%84%D9%85%D8%AC%D8%B1%D8%A9-m87/&do=findComment&comment=34286
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