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双语阅读英语外刊精讲:卡西尼号坠入土星(附音频)

2019-01-07 17:50:38来源:酷学英语

  双语阅读是英语学习爱好者的天堂,在双语阅读里,不仅可以了解英美当地文化、习俗,还可以掌握地道英语表达,提高英语综合能力。本期主题:新东方宁立波老师为大家带来《双语阅读英语外刊精讲:卡西尼号坠入土星(附音频)》,与大家一起分享。更多双语阅读资料,可点击查看:《双语阅读:英语外刊阅读精讲汇总》

  Cassini crashes into Saturn — but could still deliver big discoveries

  Data from spacecraft could help determine the age of Saturn's rings and the persistence of its magnetic field.

  Alexandra Witze

  15 September 2017 Updated:

  At 4:55 a.m. California time on 15 September, hundreds of scientists watched their life's work go up in flames. The Cassini spacecraft disintegrated in Saturn's atmosphere in a mission-ending move meant to keep the probe from contaminating the planet's moons, including Titan and Enceladus, that could harbor signs of life.

  The spacecraft's last radio signal died away Friday morning as planned when the probe entered the atmosphere at about 113,000 kilometres an hour, roughly 10 degrees north of the planet's equator. As Cassini plunged to its death, it transmitted a last burst of data from its Ion and Neutral Mass Spectrometer. This instrument measures the chemical composition of gases, and provided scientists with their first direct taste of Saturn's atmosphere. That data “will be the most exciting result scientifically,” says Ralph Lorenz, a planetary scientist at the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland.

本文关键字: 双语阅读 英语学习

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