Non classé Gravitational aggregation by fradjai|Published December 22, 2019 Gravitational aggregation of particles to form rubble-pile asteroids. Initial rotation seems to play a key role. 3D MD simulations with 5000 particles. Top view. Simulated by P. Mutabaruka in my group. #GranularMatter pic.twitter.com/9Pw29Id381— Radjai Farhang (@FarhangRadjai) December 20, 2019