在未来某个世纪，土星光环上也许会歌声荡漾，那将是数以万计的电子智能在高歌。
In another century, the rings of Saturn may be singing with trillions of electronic intelligences.
未来几千年，不论人类的发明多么辉煌，和它们相比，不过是璀璨星河中的些微星光。
They're astronomically brilliant in comparison to anything humans are likely to invent for millennia.
它可以达到- 4.7星等，而这远远低于未来地球，木星光明。
It can reach magnitudes of -4.7, which is much brighter than the next planet, Jupiter.
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