1·Do you know about the white dwarfs?
你对白矮星有所了解吗？
2·Remember we discussed white dwarfs earlier.
讨论过白矮星，一个白矮星半径约为。
3·Almost all stars were white dwarfs, fading to the end.
几乎所有的恒星都变成了白矮星，渐渐地凋零、熄灭。
4·One class of white dwarfs has almost pure helium atmospheres.
有一类白矮星的大气层几乎完全由纯氦气构成。
5·White dwarfs are the hot, superdense remnants of spent stars.
白矮星是一种高热度、高密度的晚期恒星。
6·But not all white dwarfs will spend many millennia cooling their heels.
不过并不是所有的白矮星都有耐性等上无数个千年。
7·Our current theoretical models of white dwarfs don't predict this sort of behavior.
目前白矮星的理论模型不能模拟这种行为。
8·Instead, they should eventually just cool to become white dwarfs and then black dwarves.
相对的，它们最终只是会变冷成为白矮星和黑矮星。
9·White dwarfs are small, dense remnants of normal stars that have expended their fuel.
白矮星是普通恒星燃尽后形成的体积很小，质量密集的残骸。
10·White dwarfs compact much of the mass of the stars into a volume the size of the earth.
白矮星将其大部分质量紧密地聚集在相当地球大小的范围内。