'Grand finale' for Cassini space mission 土星探测器卡西尼号任务将“隆重收场”

本集内容 'Grand finale' for Cassini space mission 土星探测器卡西尼号任务将“隆重收场”

学习要点 有关“Space 太空”的词汇

Instantly recognisable - Saturn and its spectacular rings. The Cassini spacecraft's revealed this planet in incredible detail and these are some of its latest close up images - from its hexagonal north pole to its ring system and even an aurora. 

But this mission's very nearly at its end. Cassini's been in space for twenty years. It's set down a probe, spotted plumes on one of Saturn's moons and discovered colossal storms - but now it's running out of fuel - its final days though will be crucial.

This spacecraft will go out with a bang - its last manoeuvre will be a death dive into Saturn's atmosphere, bringing this blockbuster mission to a close.

土星和她的壮丽光环 – 很容易被识别。这台叫做卡西尼号（Cassini）的宇宙飞船以极为精致的细节为我们展现了这颗星球，这是由卡西尼号拍摄的最新特写图像，包括土星北极的六边形风暴、光环系统，它还拍到过一次极光。

但这项任务临近收尾。卡西尼号已经进入太空二十年，它在土星上设置了探头，并在它的一颗卫星上观测到了雾状体，还捕捉到了巨型风暴。但该探测器的燃料即将耗尽，不过它最后阶段的工作是至关重要的。

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