في ثورة فلكية جديدة، علماء الفلك ينجحون في رصد ابعد مجرة فلكية عن الأرض

في ثورة فلكية جديدة، نجح العلماء في اكتشاف مجرة فلكية جديدة، تبعد عن الأرض بمسافة 13،5 مليار سنة ضوئية وفقاً لدراسة نشرت يوم الجمعة 8 أبريل وجاري العمل على تأكيد نتائجها.

تلك المجرة تمت مراقبتها لمدة اكثر من 12000 ساعة عن طريق أربع تلسكوبات. ويبدو انه جسم ساطع للغاية وكأنه مجرة بعيدة عن الأرض بما يعادل 13،5 مليار سنة ضوئية وفقاً لمكتشف المجرة يويتشي هاريكانه في بيان أصدرته الجمعية الفلكية الملكية.

تم رصد بيانات إضافية في مرصد الما الواقع في تشيلي والتأكد من بعد المجرة المسماة “HD1” اكثر من بعد المجرة “GN-z11” والتي كانت ابعد مجرة على الإطلاق بمسافة مئة مليون سنة.
وهناك فرضيتين وفقاً لعلماء الدراسة، الأولى أن المجرة كانت عبارة عن ارض خصبة يتم تشكيل النجوم بها، بحيث تقوم بتشكيل 100 نحمة سنوياً فيها. أو نت تلك هي نجوم “جمهرة النجوم الثالثة” التي لم نتمكن من رصدها حتى الآن.
ويوضح معد الدراسة الرئيسي فابيو باكوتشي من مركز هارفارد للفيزياء الفلكية في الولايات المتحدة أنّ هذه الأجيال الأولى من النجوم هي “أكبر وأكثر إشراقاً وسخونة من النجوم الحديثة”.

أما الفرضية الثانية، هو وجود ثقب اسود كبير في وسط تلك المجرة، والذي يتسبب في ابتلاع كميات كبية من الغاز ويجعله يصدر اشعاعاً فوق بنفسجي قوي

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