Any moving object, like an asteroid, comet or planet, would appear to jump from one photograph to the next.

任何运动天体，比如流星，彗星或者行星，(在一组照片中)看起来将会像是从一张照片跳到下一张。

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On future missions to deep space destinations like an asteroid or Mars, NASA suspects it could take up to 144 hours, or six days, to get to a proper toilet.

未来太空任务的目的地是小行星或是火星之类更远的地方，美国宇航局猜测，宇航员们可能要坚持6天才能找到一个合适的厕所。

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Scientists would like to prevent something like that from happening in the future, but it would take time to figure out how to best knock an incoming asteroid off its collision course.

科学家希望能够防止今后发生类似的事件，但要弄清楚如何才能最好地阻断小行星碰撞地球的过程，还需要一定的时间。

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The Moon acts like an asteroid magnet and has been aggregating asteroids for billions of years.

FORBES: The Moon is a Natural Platform for Asteroid Mining, Detection and Deflection

The close fly-by of an asteroid like DA14, like the Tunguska meteor, is a once-in-1, 000-years event.

CNN: A meteor and asteroid: 1 in 100 million odds

The close fly-by of an asteroid like DA14, like the Tunguska meteor, is a once-in-100-years event.

CNN: A meteor and asteroid: 1 in 100 million odds