Eski Yunanlar güneş sistemi hakkında bizim bildiğimiz kadar çok şey biliyorlardı.
- The ancient Greeks knew as much about the solar system as we do.
Neptün, güneş sisteminin sekizinci gezegenidir.
- Neptune is the eighth planet of the solar system.
Every satellite has turned out to differ in some significant feature from its neighbor: the sense of novelty would probably not have been greater if we had explored a different solar system.
... 99.9% of the gas and dust in the solar system, ...
... from all the other planets in the solar system. ...