Perhaps we ran into a cloud of cosmic dust that intercepted the Sun's rays.
Sixty brave men were dancing motes of cosmic dust before the shocked commander could sound the recall.
It is too late, after a busy day, and at that hour, to begin overtime on fashioning a new and better planet out of cosmic dust.
Then he was floating in what felt like waves of cosmic dust, swirling many-colored before his eyes.
The more important question is: How do astronomers conceive the condensation of this mixed mass of cosmic dust?
The cosmic dust was brighter out here, and the constellations looked a little flattened.
A thin layer of cosmic dust lay over the surface, such as would be found on any airless world.
The clouds of cosmic dust swirled and foamed around the familiar jewels of his own sky.
They might be actual monuments, defaced by cosmic dust, by collision with the myriad fragments of the Belt, by time.
The stars and their planets are enormous aggregations of cosmic dust, swept together and compressed by the action of gravitation.