He had been buying native art too long on these backward, newly settled worlds to open his hotel room door without knowing who wanted in.

It had found and settled worlds so rapidly, though, that there was now no planet anywhere which did not clamor for more inhabitants.

We've been reclaiming the old colonies and settling new worlds.

There are three other Human settled worlds that we know of.

Even the Spacers wouldn't settle worlds in such a way as to set up an exact sphere.

If we were al- lowed some additional freedoms-and the right to settle new worlds.

They have settled countless worlds, but always with an acute awareness of ecological balance.

After a long hiatus, Earth had once again begun settling alien worlds, but the fraction of its population involved was insignificant.

They say there are settled worlds in the Pleiades now.

They were concerned with something more than just survival and increasing their population by settling more worlds.