Mars

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Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide.
火星的大气层极其稀薄，几乎全部由二氧化碳构成。
The planet Mars will be visible to the naked eye all week.
整周都可以用肉眼观察到火星。
He stole a Mars bar from the school tuck shop.
他从学校小吃店偷了一条玛氏巧克力棒。
Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide.
火星的大气层极其稀薄，几乎全部由二氧化碳构成。
The planet Mars will be visible to the naked eye all week.
整周都可以用肉眼观察到火星。

(PLANET) the planet fourth in order of distance from the sun, after Earth and before Jupiter

the Roman god of war, the father of Romulus and Remus (Greek counterpart Ares)
the fourth planet from the sun, having a reddish-orange surface with numerous dark patches and two white polar caps. It has a thin atmosphere, mainly carbon dioxide, and low surface temperatures. Spacecraft encounters have revealed a history of volcanic activity and running surface water. The planet has two tiny satellites, Phobos and Deimos. Mean distance from sun: 228 million km period of revolution around sun: 686.98 days period of axial rotation: 24.6225 hours diameter and mass: 53.2 and 10.7 per cent that of earth respectively (Also called the Red Planet)

火星
According to major, trace element and radiogenic isotopic systems of Lherzolitic-Shergottites, formation process of GRV 99027 was summaried as follows:(1)Initial solar nebulae accreted continuously into Mars.
根据L-S陨石的主量、微量元素和放射性同位素体系特征,将GRV 99027的形成过程概括为:(1)初始太阳星云发生连续吸积而形成火星。
文学
马耳斯(战神，即希腊神话中的阿瑞斯)
马尔斯