Now let's leap ahead, and much farther afield. What kinds of issues might a crew of astronauts face on a longer journey-say, a round-trip to Mars?

现在让我们跳跃前进，更进一步地研究这个话题：宇航员在长期的太空旅行，换句话说，环游火星时可能要面临的问题？

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The goal is to gain experience about the psychological challenges that a crew will face on a trip to Mars.

这项实验的目的是在船员将在到火星的旅程中面临的心理挑战上获得经验。

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Cook and his crew would observe Venus gliding across the face of the Sun, and by doing so measure the size of the solar system.

库克和他的船员们将观测金星从太阳上滑过，以此来测算太阳系的大小。

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Despite that, it seems more and more unlikely Corzine and his crew will face criminal charges at this point.

FORBES: Corzine Sued Over MF Global Failure, But Now What?

Other Concordia executives and crew members also could face trial.

CNN: 1 year on, survivors of Costa Concordia to mark the disaster

Other crew members and Concordia executives also could face trial.

CNN: , For