Mars is the fourth planet from the Sun in
the Solar System. Named after the Roman god of war, Mars, it is often
described as the "Red Planet" as the iron oxide prevalent on its surface
gives it a reddish appearance. Mars is a terrestrial planet with a thin
atmosphere
مقارنة بكوكب الأرض، للمريخ ربع مساحة سطح الأرض وبكتلة تعادل عُشر كتلة الأرض
