Description: Penumbra كلمة لاتينية تعني "شبه الظل" وقد تشير الى الجزء الخارجي الأقل ظلامًا من الظل الذي يلقي على الجسم أثناء الكسوف ، حيث يتم حجب الضوء جزئيًا فقط. على سبيل المثال ، في كسوف الشمس ، سيرى الراصد في منطقة شبه الظل القمر يغطي الشمس جزئيًا فقط
وقد تشير أيضًا Penumbra إلى الجزء الخارجي المميز والأكثر إشراقًا من البقع الشمسية.
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Term and definition status:
The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval
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