The planet of He did not dwindle in the city's sky.

The planet dwindled to a point of light, which was joined on the screen by the much brighter point of the system's primary.

The planet of Swoofon fell rapidly into the dark depths of the void and dwindled away among the other stars.

The planet had dwindled to a quarter of its accustomed size; it was now only twice as large as the Moon would appear from Earth.

And in the immensity of the universe, even this planet with its precious contents dwindled to insignificance.

The planet dwindled with soul-shaking rapidity to a moon, to a moonlet, and finally to a discretely conglomerate aggregation of meteorites before the mutual neutralization ceased.

"They'd better do better than acknowledge," McCoy muttered, watching the planet dwindle away behind them.

The planet was dwindling below.

The planet dwindled, closing on itself, becoming a sparkling blue bauble, a bauble over which a black-winged insect crawled.

With increasing velocity the space monster raced toward the speed of light and the outer fortress ring of Arkon while the central planet of the Empire dwindled into Infinity.