زاوية سقوط الشمس

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Keep going الشمس 28 يناير 2020

تطول الظلال عندما تكون زاوية سقوط أشعة الشمس مع الاتجاه الافقي صغيرة عند الصباح او قبيل الغروب او في الشتاء. وتقصر الظلال عندما تكون ...

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