对于拉利伯特而言，这些时刻在夜晚降临，因为国际空间站在大约超过1,7000英里上绕轨道旋转，每一个24小时的地球日会刚好遇到30分钟的爆炸16次。

For Laliberté, these moments came at night, which happens to come in 30 minute bursts 16 times per every 24-hour Earth "day," as the ISS orbits at over 17,000 mph.

youdao

And this is a very fast speed, of course, it's about 700 million miles per hour. So, one way to put that in perspective is to think about how long it takes for a light beam to get from earth to the moon. Does anyone have any guesses? Eight seconds, that sounds good.

当然这是一个非常快的速度，它大约是每小时7亿英里,为了更形象化，我们,看看光从地球到月球,需要多少时间，你们猜猜是多少？,8秒，猜的不错。

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