طبيبة تحذر: شمس هذا الصيف تصيبك بحروق من الدرجة الثانية - اليوم السابع



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SpaceX scrubs Starlink satellite launch due to rocket issue - Space.com
New Research May Vindicate Einstein’s Theoretical Prediction of Massless Gravitons - The Debrief

What You Thought Was Impossible Is Now Reality: Growing Plants Without Any Light! - The Daily Galaxy --Great Discoveries Channel
Observations detect hundreds of possible supergiant stars in two nearby galaxies - Phys.org