translation.en: In about five billion years, our sun will become a red giant, as large as the Earth's orbit, and our Earth will be kaput, and in a thousand billion years, if dark energy keeps on fueling space expansion at the present rate, you will not even be able to see as far as your toes, because everything around you expands at a rate faster than the speed of light.
translation.zh: 大约50亿年后 太阳将变成红巨星 膨胀程度大到地球的轨道 地球将被吞噬 而在一万亿年之后 如果暗能量继续获得补给 空间扩张仍保持现在的速率 你会根本看不到自己的脚趾头 因为环绕你的一切 都在以比光速快的速度膨胀