
محرار دراسة الشمس ( Heliometer )
بيير بوقر
( بالانجليزية : Pierre Bouguer )
عالم رياضيات وفلكي فرنسي
الميلاد : 16 فبراير 1698
الوفاة : 15 أغسطس 1758 ( 60 سنة ) باريس – فرنسا

عمل في تدريس علم المياه في هافر.
اشترك بوقر مع غودان Godin ولاكواندمين La Condamine في بعثة إلى أمريكا الجنوبية
لقياس درجة من الدائرة التي تمر بقطبي الأرض.

اخترع بوقر ” محراراً ” ( هيليوميتر ) لدراسة الشمس ،
كما اخترع جهاز قياس شدة الضوء ( فوتوميتر ) ودرس به إضاءة الشمس والقمر بشكل مقارن.
قام بوقر بدراسة كتلة الأرض بمقارنتها بكتل بعض السلاسل الجبلية.

للمزيد من المعلومات عن محرار دراسة الشمس ( Heliometer ) :

المراجع :






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