Scientists want to bring a chunk of the red planet down to Earth on what's called a sample-return mission.

科学家们希望将这颗红色星球的一大块带回地球，进行所谓的取样返回任务。

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The only convincing evidence for life on Mars will be when we have a microbe in the lab from a sample return mission.

火星上存在生命的唯一可信依据将会是我们实验室里有从返回任务带回的样本中提取的微生物。

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In between American Apollo manned flights, the Soviet Union launched this unmanned sample return mission to the moon on Sept. 12, 1970.

在两次美国阿波罗载人飞行期间，前苏联在1970年9月12日发射了这艘无人驾驶返回式月球取样飞船。

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It is the first US sample-return mission since the last Moon landing in 1972.

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Launch failures claimed nearly half of Russia's probes, including the ambitious Phobos-Grunt sample return mission last year.

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Project scientist John Grotzinger pointed out that such a search would require more sophisticated scientific equipment than even the advanced rover carries, if not a full-scale sample return mission.

MSN: Curiosity aims to unlock Mars mysteries - Technology & science - Space - Space.com | NBC News