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

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.

from Space & Time News — ScienceDaily http://ift.tt/1pkRarz

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