Most of them are irregular chunks of rock a few kilometers in diameter, or less.

Mykel dropped behind an irregular chunk of old black lava.

One irregular chunk of the planet was black.

Uhura tracked and magnified an irregular chunk of dirty ice.

The prey swelled ahead, became a tumbling, irregular chunk of dust and ice.

They moved massive pilings and metal I-beams and irregular chunks of rock.

It was an irregular chunk of rock, its lumpy surface spattered with craters.

"It's dusty," I bent down and picked up an irregular chunk of bortbloc.

Still his body tried for greater speed, although the ground was rough and littered with irregular chunks of rock.

Now they were dissolving, falling away in irregular chunks, leaving a bruised core of positive feeling.