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托福听力练习-科学美国人60秒:好奇号探测器

2017-04-04 10:14:00来源：科学美国人60秒

点击查看>>科学美国人60秒音频：好奇号探测器

　　科学美国人60秒听力练习：好奇号探测器

　　科学美国人60秒英文文本

　　"Touchdown confirmed. We are safe on Mars. [Cheers.] Time to see where our Curiosity will take us."

　　The control room at NASA's Jet Propulsion Laboratory late in the evening of August 5th, Pacific time, when word arrived that the Curiosity rover had landed safely on Mars. The one-ton rover, which dwarfs all Mars landers that came before it, will now spend a planned two years exploring the Martian surface. The mission is expected to cost $2.5 billion.

　　Curiosity's task is to investigate the inside of Gale Crater, where a giant mound of sedimentary deposits may provide evidence of a wetter, possibly habitable Mars billions of years ago.

　　But first it had to survive an elaborate landing sequence, which appears to have gone smoothly. Curiosity landed on time and on target and soon beamed back grainy photos of its wheels and its shadow.

　　Given the carlike size of the rover and the challenges of landing on Mars, Curiosity's landing goes down as one of the greatest parking jobs in history.

　　中文翻译请点击下一页

本文关键字: 托福听力 科学美国人

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