The cluster is home to over 100, 000 stars, packed closely together in a ball approximately 150 light-years across, and is located at a distance of 25, 000 light-years.
这个星团是十万多颗星星之家,紧密包裹在约150光年跨度的球中,位于25万光年以外。
What we did is we measured The Times for these ball bearings to fall over a distance of four centimeters.
我们测量了,这些滚珠下降,4cm所用的时间。
What we did is we measured The Times for these ball bearings to fall over a distance of four centimeters.
我们测量了,这些滚珠下降,4cm所用的时间。
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