Rubble-pile asteroids are 'giant space cushions' that live forever

New research found that the rubble-pile asteroid Itokawa can survive collisions for 10 times longer than its conventional, single-body counterparts.

Rubble-pile asteroids are 'giant space cushions' that live forever
New research found that the rubble-pile asteroid Itokawa can survive collisions for 10 times longer than its conventional, single-body counterparts.