القمر

كم عمر القمر؟

Keep going القمر 04 أبريل 2014

حدد فريق دولي من علماء الفضاء تاريخ تشكل القمر بخمسة وتسعين مليون عام بعد تكون المجموعة الشمسية، بناءً على «تقويم» جديد شرح في تقرير نش...

اقرأ المزيد

ما أهمية القمر للحياة على الأرض؟

Keep going القمر 28 مارس 2013

ان الدور المهم الذي يلعبه القمر بالنسبة للأرض يعتمد على ظاهرة المد والجزر

اقرأ المزيد

عرض المزيد

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