There are a few rocky worlds discovered about 2-3 times the size of Earth.

The wet, rocky worlds suitable for the evolution of life would be very hard to find.

In a million years, every old rocky world in the galaxy could have been pulverised.

I showed you when the rocky worlds were dismantled.

The planet may be the first rocky world detected orbiting a star other than the Sun.

Various sensors showed the rocky world through the swirling red murk.

A rocky world orbiting conveniently close to the central star itself.

It's so good that one needn't be ashamed of escaping into its idealized if harsh and rocky world.

In this rocky, windswept world, you'd have to be on your toes every minute.

It is larger than Earth, but small enough to be probably a rocky world.