Leo's royal star Regulus and red planet Mars appear in a colorful pairing just above the horizon in this starry skyscape.

狮子座的王者之星轩辕十四和红色行星火星，在这地平线上繁星闪耀的天空中交相辉映。

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The planet Mars is the closest and most similar planet to Earth.

火星是离地球最近、和地球最相似的行星。

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Lying on the grass, they saw different kinds of stars and they even saw the planet Mars.

他们躺在草地上，看到了各种各样的星星，甚至还看到了火星。

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Moving pictures from before World War Two showed a man named Buck Rogers landing on the planet Mars.

VOA: special.2010.06.27

Mercury is a liquid metal, and mercury, the planet, is the fastest moving naked eye heavenly body. Mars, iron, why is Mars red?

水银是液态金属，水银，行星，是肉眼能看到的运动最快的天体,火星，铁，为什么火星是红色的？

麻省理工公开课 - 固态化学导论课程节选

For example, Donna Lee Shirley led the team that built the vehicle to explore the planet Mars.

VOA: special.2009.05.13

So this information changed our thinking about the chances of life developing on the planet and Mars stories from before 1965 would most likely have significant inaccuracies.

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Like surfers who have been waiting for the big wave, the spacecraft are riding to the red planet as Mars and Earth make their nearest pass to each other since prehistoric times.

CNN: Eight-eyed robot blasts off for Mars

Mr. McCuistion noted that since efforts world-wide to explore Mars planet began in 1960, only 40% of the missions launched from Earth have succeeded.

WSJ: NASA's Robot Lab Curiosity Nears Mars