Many of us think of scientists experimenting in a lab during the hypothesis-testing phase, but for scientists studying how the Earth works, their lab is the planet.

我们大部分人都认为科学家呆在实验室里做做实验就完成了假设检验，但是对于研究地球运行的科学家来说，地球才是他们的实验室。

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The Phoenix Mars Lander, which left Earth in August, is expected to reach the Red Planet next May, and NASA plans to launch the Mars Science Lab in 2009.

在8月离开地球的凤凰号火星着陆探测器预计在明年5月到达火星(这篇文章写于2007年，故应为2007年8月离开地球，2008年到达火星)，并且NASA计划在2009年发射火星科学实验室。

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It includes a science lab that will collect mineral samples from the Red Planet, and try to determine if Mars is habitable.

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She met with him last December when he came to visit her lab, where she researches the ocean phytoplankton Prochlorococcus, the most abundant photosynthetic cell on the planet.

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