他们三人将在卢和马伦·岑科做完为期一周的太空旅行之后乘坐另一艘Soyuz宇宙飞船返回地球。

The trio will return to Earth in early May on another Soyuz after giving Lu and Malenchenko a weeklong tour.

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波岑认为，除非你将飞行线路计划得十分周密，否则从地球到太阳表面需要的能量，约为从地球到轨道的10倍。

Pontzen reckons that, unless you plan the mission very carefully, you'd need about 10 times more energy for the trip between Earth and the Sun's surface than you'd already spent getting into orbit.

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