当我们背离地球如此的遥远之后，我们最后正看到一个天穹正包裹着我们——那是大爆炸的余辉。
We back so far up we're finally seeing a containment around us -- the afterglow of the Big Bang.
如果你看到日落地平线——确切是说是太阳最后一丝余辉消失的时候，你将看到一条瞬间的的绿色火焰划过天空。
If you look at the horizon at sunset-exactly as the last sliver of sun disappears-you might see a flash of brilliant green blaze across the sky.
天气晴朗的日子里，你可以看见路牌， 或者6 英里远处的第一座山丘到最后一座山丘顶端的阳光余辉。
On a clear winter day you can see the stop sign or tail lights at the top of the last hill from the top of the first hill 6 miles away.
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