A moment later, he found himself surrounded by young men and women of various races and planetary origins.

For more than half a century, there had been astronomers dissenting from the mainstream view of planetary origins, trying to make themselves heard.

Jim was very good at creating scenarios and hypotheses of planetary origins that allowed others to put their own work into context.

The Pride was surrounded by a strong wire fence as suited the begrudged status of her planetary origin.

Biological organisms would tend to be specific to their planetary origins.

The ages of those bone fragments and hair, the biological roots and the planetary origins.

We've already discussed the obvious planetary origin of his hands and feet.

Social contact with a man who, felt resentful over losing a chance to bring about his uncle's death was not pleasant, quite regardless of planetary origin.

He was far too irritated to correct the lieutenant's impression of his planetary origin.