The first stars must have been massive, perhaps 200 times the weight of our Sun or more.
最初的恒星一定拥有巨大的质量，可能相当于200个太阳或者更重。
Scenario: Many of us choose the summer to get rid of extra weight for a slimmer figure. But working up a sweat in the sun can compromise the protection offered by sunscreen.
适用情境：大多数人都会选择在夏天减肥，让身材更加苗条，不过，在阳光下大量流汗会减弱防晒霜的防晒效果。
When the core of a giant star whose mass surpasses 1.4 times the present mass of our Sun exhausts its nuclear fuel, it is unable to support its own weight and collapses into a tiny neutron star.
当一颗质量超过我们的太阳目前质量1.4倍的巨星的内核耗竭其核燃料时，它便无法支撑自身的重量，并收缩成为一颗小型中子星。
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