وفر 50٪ من خلال الاشتراك السنوي في مجرة واحصل على تصفح لا محدود لأفضل محتوى عربي على الإنترنت.

اشترك الآن

تمت عملية الاشتراك بنجاح

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عذراً، عذرا،أنت مشترك مسبقاً بالنشرة البريدية

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عذراً، هناك مشكلة في البريد الالكتروني

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content_cookies: int(0)
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get_post_type: string(7) "concept"

فضاء وفلك

حزام الكويكبات |  Asteroid Belt

18 يوليو 2019


هو حزام يتكون من ملايين الكويكبات والصخور الصغيرة التي تدور حول الشمس في مدارٍ بين المريخ والمشتري. يعتقد العلماء أن هذه الصخور هي بقايا كوكب كان قد انهار منذ زمنٍ طويل.


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