ننشر مواد وساعات والحصص الدراسية لطلاب المرحلة الثانوية المعدلة - اليوم السابع



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Is color even real? The true nature of the rainbow is deeper than it seems - Salon
Jaw-dropping new images show Jupiter in stunning detail - Chron

How Can Jupiter Have No Surface? A Dive Into A Planet So Big, It Could Swallow 1,000 Earths - IFLScience
Elon Musk’s SpaceX all but owns the market for U.S. government launches - The Washington Post