Earth is the only planet known to harbor life.

There are two planets known in the orbit of Kepler-10, the first being Kepler-10b.

There is no planet known as Foundation in the province, however.

The planet best known to humans is the Earth; however there are many other planets.

That they used it to come to our universe and arrived on the planet now known as Priatia.

The scene changed to show a large population center on the planet known as Nish.

There are three types of pulsar planets known so far.

Earth is the only planet known to have an ocean (or any large amounts of open liquid water).

This brings to seven the number of planets known to have been taken over by the possessed.

It is currently the only planet known to exist in this star system.