Unexpected findings: Small asteroids can be flying rock clusters or even clouds of dust surrouding solid rocks — ScienceDaily

What seemed to be rock-solid assumptions about the nature of small asteroids may end in rubble or even a cloud of dust. New findings suggest small asteroids can be a flying cluster of rocks or a cloud of dust with a solid rock at its nucleus.

via Unexpected findings: Small asteroids can be flying rock clusters or even clouds of dust surrouding solid rocks — ScienceDaily.