At each step, the nearest two clusters are combined into a higher-level cluster.
M67 is the nearest old open cluster, and thus has become a standard example for studying stellar evolution.
Vigo squeezed off a burst as he dove for cover behind the nearest cluster of containers.
In one spot on the sand, far from the nearest cluster of dead, I saw a string of guts 15 feet long.
I can at least show them that a d'Alembert goes out fighting, he thought, and charged at the nearest cluster of men.
Vokrais went across to the nearest cluster of lift/drop tubes and shot upward.
They dashed out on to the balcony and ran along it to the nearest cluster of lifters.
Klael's soldiers chase after us for a while, and then they break off and run toward the nearest cluster of hills.
A few of the nearest clusters are close enough for their distances to be measured using parallax.
Five outbuildings, most of them built around a garden, are in the nearest cluster, south and southwest of the main house.