Plutonian adj.

In a fraction of a second I knew that this surprising shape, whom my mad fancy had mistaken for some Plutonian native, was none other than Stark!

It fell farther, crossed Neptune’s face and began to increase in size. Its downward movement slowed as it swept about in circles and leveled over the Plutonian landscape a few miles away.

A Plutonian moon was bombarded suddenly by projectiles, great steel clad shells several hundred feet long.

Whether the Martians planned it so, whether it was an outright act of either the Plutonian or the Martian commanders, none can say, but, as it was to prove, neither expedition gained their objective.

I've got an eye for that sort of thing, even at forty paces on a dark Plutonian night.

Our instruments, during the long Plutonian night, have been recording apparent indications that living creatures, Plutonian life-forms, are moving about out there.

Then came two smaller sub-Jovian gas worlds, hardly giants at all, then a Plutonian world—not much more than a captured cometary husk, with two attendant moons.