It's not just that Satan or the moon or whatever it is that we're looking at seems indeterminate until we get a proper look at it.
不仅是撒旦或月亮或者任意什么,我们在关注的,看起来非常不确定,直到我们得到了一个合理的想法。
So, Galileo here is struggling to get the proper visionary fix on the moon at a point in the day when there are no absolutes.
因此,伽利略在此是试图着要在没有绝对的时刻,得到月亮的方位。
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。
应用推荐