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Egyptian FM holds calls with Iranian counterpart , U.S. Envoy on regional developmentsZverev into French Open last-fourIsraeli fire kills four people in Gaza, medics sayEgypt, Singapore discuss expanding cooperation in tourism, antiquitiesAncelotti eases Neymar W. Cup fearsArab, Islamic states condemn Israeli actions at Al-AqsaSyria Hopes for Terrorism Delisting to Spur Economic RecoveryBenfica linked with Fulham’s SilvaVan der Breggen takes Giro leadKremlin: Saudi Arabia Named Guest of Honor at St. Petersburg Economic ForumTrump administration proposes 25% tariff to punish Brazil over trade practicesرياضة محلية‘Really cool to share this journey with her’: Michelle Wie West playing for her family at U.S. Women’s OpenArchaeological Replicas Showcase Saudi Arabia’s Rich History at Kuala Lumpur Int’l Book FairRenewable Energy Helps Red Sea Global Avoid 118,000 Tons of Carbon EmissionsLetter: Carol Rumens obituaryEngland v India: third and deciding women’s T20 cricket international – liveHealthVolunteers serve comfort food in a worrying Ebola outbreak – Sault Michigan NewsEconomyTrump signs AI executive order asking companies to give government early access to modelsLocalSouth West Water fined nearly £2million after supplying homes with parasite-ridden water that left four people in hospital – and telling people it was safe to drinkScience & TechYour car is following you – how to reclaim your data privacy on the open roadEgyptian FM holds calls with Iranian counterpart , U.S. Envoy on regional developmentsZverev into French Open last-fourIsraeli fire kills four people in Gaza, medics sayEgypt, Singapore discuss expanding cooperation in tourism, antiquitiesAncelotti eases Neymar W. Cup fearsArab, Islamic states condemn Israeli actions at Al-AqsaSyria Hopes for Terrorism Delisting to Spur Economic RecoveryBenfica linked with Fulham’s SilvaVan der Breggen takes Giro leadKremlin: Saudi Arabia Named Guest of Honor at St. Petersburg Economic ForumTrump administration proposes 25% tariff to punish Brazil over trade practicesرياضة محلية‘Really cool to share this journey with her’: Michelle Wie West playing for her family at U.S. Women’s OpenArchaeological Replicas Showcase Saudi Arabia’s Rich History at Kuala Lumpur Int’l Book FairRenewable Energy Helps Red Sea Global Avoid 118,000 Tons of Carbon EmissionsLetter: Carol Rumens obituaryEngland v India: third and deciding women’s T20 cricket international – liveHealthVolunteers serve comfort food in a worrying Ebola outbreak – Sault Michigan NewsEconomyTrump signs AI executive order asking companies to give government early access to modelsLocalSouth West Water fined nearly £2million after supplying homes with parasite-ridden water that left four people in hospital – and telling people it was safe to drinkScience & TechYour car is following you – how to reclaim your data privacy on the open road

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US dollar55.29EGPEuro61.93EGPBritish pound73.95EGPSaudi riyal14.74EGPUAE dirham15.05EGPKuwaiti dinar178.17EGPJordanian dinar77.98EGPQatari riyal15.19EGPTurkish lira1.11EGPChinese yuan8.27EGPGold 247,104.79EGP/gGold 216,216.69EGP/gGold 185,328.59EGP/gSilver96.07EGP/g

Science & Tech

من بالونات الهيليوم إلى بدايات الكون

By المصري اليوم · 2 hours ago · 1 min read المصري اليوم ↗

ما يعرفه ريفو عن الخبر

يساعد رصد نسبة غاز الهيليوم في الكون على اختبار صحة النظريات الكونية المتعلقة ببدايات نشأة الكون.
تشكل الهيليوم ربع وزن عناصر الكون تقريباً نتيجة اندماج البروتونات والنيوترونات في أول دقائق تمدد الكون.
نجح النموذج الكوني القياسي في تفسير كمية الهيليوم المكتشفة عبر دراسة إشعاع الخلفية الكونية.
يعد البحث عن أصل الكون وسيلة للإنسان لفهم أسرار الوجود وتفسير جماليات الكون وتطوير فهمه للعالم المادي.

منذ أيام اطلعت على بحث علمى يبحث عن عنصر الهيليوم فى الكون. أخذنى سنين طويلة إلى الوراء مع ذكريات الماجستير مع العالم روجر تيلر. معظمنا يعرف غاز الهيليوم جيدا، حتى ان لم يتعرف على…

المصدر: المصري اليوم

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