Alien after map to find Earth, perhaps?

Usage examples of planet.

The thinking machines had been eradicated here, and the humans had caused so much damage to accomplish it that even they could no longer live on their own ancestral home planet.

In plain English this means that the ancient Maya had a far more accurate understanding of the true immensity of geological time, and of the vast antiquity of our planet, than did anyone in Britain, Europe or North America until Darwin propounded the theory of evolution.

These groups point at the increasing number of Vulcans affiliated with Starfleetand at the fact that they are sometimes required by their oaths to handle weapons or perhaps to act violently in the line of dutyand they claim that this is the beginning of the corruption of the species and a potential return to the old warlike ways that almost doomed the planet.

These were the sections which more closely mirrored conditions on the sort of mainly methane-atmosphered planets and moons the Affront preferred, and it was in these the Affront indulged their greatest passion, by going hunting.

Culture had been on the far side of the galaxy from the Affront home planet, and contacts between the Culture and the Affront had been unusually sparse for a long time for a variety of frankly banal reasons.

The fauna was far more dangerous than any Lunzie had seen on Ambrosia or on any of the planets she had so far visited.

At present the planet Mars is in conjunction, but with every return to opposition I, for one, anticipate a renewal of their adventure.

It seems to me that it should be possible to define the position of the gun from which the shots are discharged, to keep a sustained watch upon this part of the planet, and to anticipate the arrival of the next attack.

This arises from the possible appulse of the comet to the planet Pallas, whose mass, being so small, would more sensibly be disturbed by such an appulse than the earth.

The planet Arcos is of strategic importance between the Federation and the Klingon Empire.

And then the agent had gone on a tremendous amplification all over the planet, and it was still expanding its burn, with no end in sight.

Rufus in particular loved to work the Astrolabe, when it was not in use, and he has also learned, much to my Astonishment, quite a Lot of the Mathematical Calculation necessary for plotting the Orbits of Stars and Planets.

There are extraordinary, unexplainable landmarks scattered across the face of this planet, astronomically aligned wonders, yet all pieces of a single, giant puzzle.

The Astrophysics Department, however, insists that such a moment can be created by using the Tan equations on the planet Jupiter, causing it, in effect, artificially to go nova.

An autocratic year-captain could force them to settle for the first plausible-looking planet we find, simply by decree.