المرئيات

النسبية العامة: انحناء الزمكان وفهم الجاذبية

طرح ألبرت آينشتاين عام 1915 نظريته النسبية العامة، التي قلبت مفهوم الجاذبية رأسًا على عقب. بدلاً من أن تكون قوة كما وصفها نيوتن، اعتبرها آ...

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سورة الفاتحه

بِسۡمِ ٱللَّهِ ٱلرَّحۡمَٰنِ ٱلرَّحِيمِ (1) ٱلۡحَمۡدُ لِلَّهِ رَبِّ ٱلۡعَٰلَمِينَ (2) ٱلرَّحۡمَٰنِ ٱلرَّحِيمِ (3) مَٰلِكِ يَوۡمِ ...

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أقسام الوصول السريع (مربع البحث)

المرئيات

النسبية العامة: انحناء الزمكان وفهم الجاذبية

سورة الفاتحه