For over two million years, the planet has swung between ice ages and warm periods, causing some species to shift their ranges hundreds of miles.

The third planet of Maris swung splendidly in its orbit.

With great majesty, the scene was imperceptibly altering as the planet swung toward the dusk line.

It would take ages to make the trip-but long ages had already passed as their dark planet swung through the void.

The planet and its satellite swung, and the sun shown blazing on the screen.

High overhead, moon and planets and stars swung in their long smooth curves.

The planet swung around its star in the orbit it had followed for billions of years.

This planet is swinging around the sun, while turning on its axis.

The planet rapidly swung to loom directly ahead for the last stages of their approach.

Close ahead of us, perhaps less than two million miles, a Mars-sized planet was swinging into our flight direction.